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Logitech Z-680 Manual

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Logitech Z-680About Logitech Z-680
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User reviews and opinions

Comments to date: 3. Page 1 of 1. Average Rating:
tropical boubou 9:44pm on Thursday, November 4th, 2010 
I have had this set up for a little over thre...  powerfull sound easy to use Poor longevity/poor customer service
uccbrng 5:15pm on Sunday, September 26th, 2010 
The Logitech Z-680 sounds better than the Z-5...  Love the four suround & the mid rage Had problems with the Console, Could have a bigger Subwoofer
szsz 5:37am on Monday, March 22nd, 2010 
Subwoofer Started a Fire! True Story: I bought these for my college dorm room because I wanted to have amazing surround sound for watching movies. Logitech Z680 Speakers These speakers are very loud and have an excellent sound to them. These are perfect to hook up to a big TV for surround. good for the price.... When I purchased these 3 years ago, I thought I was in heaven. Amazing upgrade from my 2.0 yamaka speakers, amazing bass.

Comments posted on are solely the views and opinions of the people posting them and do not necessarily reflect the views or opinions of us.




Logitech Z-680

5.1 Configuration 500 Watts Dolby Digital & DTS Hardware Decoding THX Certified Transform your PC or game console into an incredible home theater. The Logitech Z680 offers awesome power, THX-certified sound, built-in Dolby Digital and DTS hardware decoding, and the easy setup you've been looking for in a 500-watt (RMS) sound system. So you didn't make the concert, see the premiere, or really race in the Daytona. Who cares? You've got the sound system that brings it all right home to you. The Logitech Z-680 gives you THX-certified theater quality digital sound through optical and coaxial inputs for simple connection to nearly any audio appliance. And with the Digital SoundTouch Control Center and wireless remote, you can sit back, stretch out and let loose. Let the bass pump through the 188-watt subwoofer. At 62 watts (RMS) each, four satellites and a 69-watt center channel provide crystal-clear midrange and highs. Don't forget the built-in Dolby Digital and DTS hardware decoding. Connect the Z-680 directly to a PC sound card, Xbox, PlayStation2, DVD player, satellite receiver or other Dolby-ready source and get a true surround experience. You can also get 5.1 surround from a stereo input through the advanced Dolby Pro Logic II system. Best of all, you can connect up to four audio sources simultaneously, while accessing each one at the touch of a button.
Feel earth-shaking bass with 500 watts RMS of thunderous power Enjoy true 5.1 digital sound with your movies and games with built-in Dolby Digital and DTS hardware decoding Create 5.1 surround sound from stereo music, movies, and games with Dolby Pro Logic II Simultaneously connect four audio sources, including PCs, game consoles and DVD or CD players. Be in total command with the Digital SoundTouch Control Center and wireless remote Know that you're getting the truest possible sound quality with THX certification
Heart-Pounding Home Theater Sound
True Dolby Digital and DTS 5.1 surround sound with built-in hardware decoding

Dolby Pro Logic II decoding creates a 5.1 soundfield from two-channel sound sources THX certification ensures top sound quality Connects to PlayStation2, Xbox, DVD players, satellite receivers, PC sound cards, and more to deliver immersive gaming and movie experiences Home-stereo style connectors use standard gauge speaker wire Four stylish satellites stand on desk or mount on wall to provide smooth mid and high frequencies Center channel speaker rests on your monitor, on your desk, or mounted on the wall Magnetic shielding in speakers protects your equipment Internal power supply eliminates bulky wall adapters Removable cloth grills on satellites deliver improved sound and variable aesthetics Wireless remote control, batteries included Uses regular stereo speaker wire (included) Two-year limited warranty


Total output power: 505 Watts RMS Subwoofer power output: 188 Watts RMS Satellite speaker power output: 317 Watts RMS (62 Watts RMS per channel for satellites; 69 Watts RMS for center channel) Total peak power: 1000 Watts Maximum SPL: 114 dB System frequency response: 35Hz - 20kHz Input impedance: 10,000 ohms Shielded satellites for use near video monitors

Source Inputs

(1) digital optical for DVD or CD player, PlayStation 2, Xbox*, or PC sound card (requires optical cable, sold separately) (1) digital coaxial for DVD or CD player, or PC sound card (requires coaxial cable, sold separately) (1) 6-channel direct (3 stereo-mini connectors) for 2-, 4-, or 6-channel PC sound cards (1) Analog stereo-mini for portable CD, MP3, or MiniDisc player
* Note: Xbox connection requires Xbox Advanced AV Pack or Xbox High Definition AV Pack, sold separately


Setup Installation Instalacin

Logitech Z-680

Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Unplug the speakers from the computer and from the electrical outlet before cleaning them with a dry cloth. Install in accordance with the manufacturers instructions. Place the speakers in a stable location so they will not fall causing damage to the speakers or bodily harm. Do not use the speakers near water, and do not immerse them in any liquid or pour any liquid on them. Do not block the openings in the speaker cabinets, never push objects into speaker vents or slots because of fire or electric shock hazards, and provide sufficient space around the speakers for proper ventilation. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. Do not defeat the safety purpose of the polarized plug. A polarized plug has two blades with one wider than the other. The wide blade is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. Operate the speakers only from the low level audio line out jack of the computer or of an audio device. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. Only use attachments/accessories specified by the manufacturer. For added protection during lightning storms, unplug the speakers from the electrical outlet and turn off the computer. Unplug this apparatus when unused for long periods of time. Servicing is required when the apparatus has been damaged in any way, such as when the powersupply cord or plug has been damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped. Refer all servicing to qualified service personnel. The speakers should be disconnected from the mains by placing the subwoofer Master Power switch in the off position and unplugging the power cord of the speakers from the AC mains receptacle. WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.
Thank you for purchasing Logitechs Z-680 multimedia speaker system. Weve worked hard to meet the rigid standards of THX and have included the latest Dolby Digital and DTS technologies in order to give you a superior digital audio experience for your PC, gaming, or home theater needs.
Dolby Digital is the universal standard for 5.1 digital sound. DVDs, PlayStation2, Xbox, digital cable, satellite TV, and HDTV all use Dolby Digital. The Z-680 includes a hardware Dolby Digital decoder for full, rich 5.1 digital sound.
THX certification is the seal of approval for speaker quality. It is an absolute assurance that these speakers accurately recreate the full sonic experience of a movie theater. The Z-680 is one of a select few speaker systems that meets the rigid standards for unparalleled THX quality sound.

DTS Digital Surround delivers 5.1 digital sound that rivals master soundtracks. DTS soundtracks are included in many DVD videos, DVD Audio discs and PlayStation2 games. The Z-680 includes a hardware DTS decoder for master-quality sound.

Safety 1

Please take a few minutes to read this manual before setting up your Z-680 system. It will help you optimize your listening experience.
Setting up your Z-680 system: Satellite speakers
Before attaching the cables, position two satellite speakers on either side of your computer monitor or television about the same distance from each other as from you. Angle them to face you. Place the rear speakers behind you and about the same distance apart as the front speakers. You may want to mount these speakers on the wall. If so, simply loosen the screws on the stands and rotate the stands 180. Mount the speakers using appropriate wall anchors through the holes in the stands. For a pro-audio look, remove the cloth grilles by pulling them straight off. Removing the grilles will not affect sound quality.


1. 2. 3. 4. 5. 6. Subwoofer Satellite speakers Center channel speaker Digital SoundTouch Control Center Wireless remote control 6-channel direct cable
For your safety, set up the entire system before plugging it into a power source.
About your Logitech Z-680 speaker system
settings effect input level mute

Center channel

Depending on your configuration, place your center channel speaker on your desk (angled up), on top of your monitor or television (angled down), or wall-mounted (angled down). To angle the speaker down for placement on top of your monitor or television, remove the screw, rotate the stand 180 degrees, and reinsert the screw. To wall mount the speaker, remove the screw and mount the stand through the other hole on the bottom of the speaker.


Because bass frequencies are non-directional, the subwoofer can be placed anywhere in relation to the other speakers. To ensure optimum sound quality do not block the driver or the bass port. To achieve the strongest bass, place the subwoofer near a wall, corner or under a desk.
Note: Please ensure adequate ventilation around the subwoofer. Keep the cooling fins on the back of the subwoofer at least 3 inches away from any object. For your safety, the Z-680 system is protected by a thermal overload switch, which will cause the system to shut down if it becomes too hot. In rare circumstances where the ambient room temperature is high, the unit can shut down. If this occurs, turn off the system and allow it to cool. Increase the ventilation around the system before turning the power back on.
Digital SoundTouch Control Center
Position the Digital SoundTouch Control Center where it is easy to reach.

Connecting the speakers:

Once you have positioned the speakers, connect them to the subwoofer. Two 6 lengths and three 15 lengths of speaker cable are included. If you want to position your speakers further away, you can use commercially available speaker cable.
Connecting the Digital SoundTouch Control Center:
Attach the D-sub cable from the Digital SoundTouch Control Center to the subwoofer and tighten the thumbscrews on each side of the connector. The cable to the control center is specially built for the Z-680 system and cannot be extended.


Important: Do not plug the subwoofer into AC power until all connections have been made. Improperly connected or shorted speaker wires will damage the system.
On the back of each speaker, unscrew the terminal connectors until you see the holes through the center posts. Insert the cable into the holes, and tighten the connectors. Connect the speaker end of each wire before connecting the subwoofer end. On the back of the subwoofer, press the lever on the terminal and insert the cable. Release the lever and the cable will be locked into position. To avoid wiring confusion, connect the speakers to the subwoofer one at a time. Be sure to connect the cables from the red and black terminals on the speakers to the corresponding red and black terminals on the subwoofer. The cable has a white stripe to aid in maintaining proper polarity.

1-2 mm

Important: Do not use an extension cable designed for computer monitors. Computer monitor cables may damage your Z-680 system. Connecting your Audio Sources:
The Z-680 speaker system can connect to as many as 4 different audio sources simultaneously. These sources can be connected in a variety of different configurations, depending on the type of equipment you have. Instructions are provided below for each type of equipment. A common configuration is: PC sound card to 6-channel direct Video game console to optical DVD player to coax Portable audio to auxiliary jack
NOTE: To use the optical or coax jacks, you will need to purchase an optical or coax cable separately. These are readily available at most consumer electronics retailers.
Digital Connection If your sound card has a digital output jack, you can use it to connect to the Digital SoundTouch Control Center. The control center supports either an optical or a coaxial connection. Check your sound card documentation for instructions on how to enable the sound cards digital output. Analog Connection Use the 6-channel direct input cables to connect the Digital SoundTouch Control Center to the analog jacks on your sound card. For optimal sound, connect only those cables necessary for your sound card and leave the other cables unattached at both ends: 6-channel sound card: Connect the orange, black, and green plugs to the Digital SoundTouch Control Center and to the color-coded jacks on the sound card. 4-channel sound card: Connect the green and black plugs to the Digital SoundTouch Control Center. Connect the green plug to the sound cards front jack and the black plug to the sound cards rear jack. Leave the orange plug unattached at both ends. 2-channel sound card: Connect the green plug to the Digital SoundTouch Control Center and to the line out jack on your sound card. Leave the orange and black plugs unattached at both ends.

Important: To avoid shorting out the system, make sure that no exposed wires touch each other and that no stray wires touch other terminals.
When properly connected, the speakers will operate in phase and your sound quality will be optimized. If not connected properly, the system will operate out of phase. While this wont damage the system, the sound will be less clear and the bass sounds will be diminished.
Important: Only use the Z-680 satellites with the Z-680 subwoofer. The system is not designed to be used with any other speakers.

Video game consoles

Digital Connection (PlayStation 2 or Xbox only) For optimal sound, use an optical cable to connect the video game console to the optical jack on the Digital SoundTouch Control Center. If you are connecting the Z-680 system to an Xbox, you will also need to purchase an adapter (the Xbox Advanced AV Pack or the Xbox High Definition AV Pack) to make this connection. Analog Connection (all consoles) The Z-680 system is compatible with all video game consoles that use red and white RCA audio cables. If you want to connect the Z-680 system to your video game console using an analog connection, you will need to buy an adapter that connects the red and white audio cables from your console to the green analog input jack on the Digital SoundTouch Control Center. With this type of connection, the audio signal will be directed to the front left and right speakers only.
Enjoying Your Logitech Z-680 Speaker System:
The Digital SoundTouch Control Center gives you easy access to the numerous features of the Z-680 system. You can also access these features from the wireless remote control.

1 LCD display

The LCD display allows you to configure your listening environment. When idle, the LCD shows the input and effect you are listening to.

2 Input

Use the Input button to select the audio source. Pressing the button will cycle through each of the three source inputs: optical, coax and (6-channel) direct.

3 Effect

Audio/video player
DVD or CD Connect your DVD or CD player to the Digital SoundTouch Control Center using a digital connection appropriate for your player. Portable audio player To use a portable audio player (such as a personal CD or MP3 player) with the Z-680 system, plug it into the auxiliary input jack on the front of the Digital SoundTouch Control Center.

Testing Your Speakers:

Plug the power cord into a wall outlet and turn on the master power switch on the back of the subwoofer. Access the speaker test feature by pressing the Test button on the wireless remote control. A test tone will cycle through each speaker. While in your normal listening position, use the Sub, Center, or Surround +/buttons to adjust the speakers to your satisfaction. For optimal sound, each speaker should play the test tone at the same volume level.

The effect button allows you to select music effects to enhance your listening enjoyment. The Z-680 system supports the following effects: Dolby Digital 1 DTS MPEG Dolby Pro Logic II Movie 2 Dolby Pro Logic II Music 6 Channel Direct 5 Stereo x2 Stereo For some types of input sources, including 6-channel digital audio sources such as Dolby Digital, DTS and MPEG multi-channel, the effect is automatically selected and cannot be changed. However, for most 2-channel sources, you can choose a desired effect. Use the Effect button to cycle through the different choices, including: Dolby Pro Logic II Movie, Dolby Pro Logic II Music, 6 Channel Direct, Stereo x2, and Stereo. Note that the list of available effects can be limited depending on the input source.
effect input level mute settings


Use this button to change the settings for certain effects, listed below. Press the settings button to cycle through the available settings. Rotate the system volume knob to change the displayed setting. If you press this button and the active effect does not have changeable settings, the LCD will display No settings for this effect. Surround DelayThe surround delay setting allows you to adjust the delay of the rear speakers to accommodate your rear speaker placement. Dimension (Dolby Pro Logic II Music only)Use this setting to adjust the signal toward either the front or rear speakers to achieve a better sound. Center Width (Dolby Pro Logic II Music only)This setting allows improved blending of the center and main speakers by allowing the adjustment of the signal so that it is heard only from the center speaker, only from the left and right speakers as a phantom center image, or from combinations of the three front speakers. Panorama (Dolby Pro Logic II Music only)Use this setting to extend the front signal to the surround speakers for a wraparound effect.

Technical Specifications

Total RMS Power: 505 Watts -- Subwoofer: 188 watts RMS into 8 ohms at 100Hz at 10% THD (total harmonic distortion) -- Satellites: 317 watts RMS (2 x 62 w Front; 2 x 62 w Rear; 69 w Center) into 8 ohms at 1 kHz at 10% THD (total harmonic distortion) Total Peak Power: 1000 Watts at <10% THD System sound pressure level (SPL): >115dB System acoustic frequency response: 35Hz to 20KHz System distortion: Better than 0.11% THD before clipping

Technical Specifications / Warranty

Limited Warranty

Logitech warrants that any hardware product accompanying this documentation shall be free from significant defects in material and workmanship for a period of two (2) years from the date of purchase. Logitechs limited warranty is nontransferable and is limited to the original purchaser. This warranty gives you specific legal rights, and you may also have other rights which vary under local laws. Remedies. Logitechs entire liability and your exclusive remedy for any breach of warranty shall be, at Logitechs option, to: (a) repair or replace the hardware, provided that the hardware is returned to the point of purchase or such other place as Logitech may direct, with a copy of the sales receipt, or (b) refund the price paid. Any replacement hardware will be warranted for the remainder of the original warranty period or thirty (30) days, whichever is longer. These remedies are void if failure of the hardware has resulted from accident, abuse, or misapplication, or any unauthorized repair, modification or disassembly. Upon request from Logitech, you must prove the date of original purchase of the hardware by a dated bill of sale or dated itemized receipt. DISCLAIMER OF WARRANTY. THE WARRANTIES EXPRESSLY SET FORTH IN THIS AGREEMENT REPLACE ALL OTHER WARRANTIES. LOGITECH AND ITS SUPPLIERS EXPRESSLY DISCLAIM ALL OTHER WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD-PARTY RIGHTS WITH RESPECT TO THE HARDWARE. NO LOGITECH DEALER, AGENT, OR EMPLOYEE IS AUTHORIZED TO MAKE ANY MODIFICATION, EXTENSION, OR ADDITION TO THIS WARRANTY. Some jurisdictions do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. LIMITATION OF LIABILITY. IN NO EVENT WILL LOGITECH OR ITS SUPPLIERS BE LIABLE FOR ANY COSTS OF PROCUREMENT OF SUBSTITUTE PRODUCTS OR SERVICES, LOST PROFITS, LOSS OF INFORMATION OR DATA, OR ANY OTHER SPECIAL, INDIRECT, CONSEQUENTIAL, OR INCIDENTAL DAMAGES ARISING IN ANY WAY OUT OF THE SALE OF, USE OF, OR INABILITY TO USE ANY LOGITECH PRODUCT OR SERVICE, EVEN IF LOGITECH HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO CASE SHALL LOGITECHS AND ITS SUPPLIERS TOTAL LIABILITY EXCEED THE ACTUAL MONEY PAID FOR THE LOGITECH PRODUCT OR SERVICE GIVING RISE TO THE LIABILITY. Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. The above limitations will not apply in case of personal injury where and to the extent that applicable law requires such liability.

+41 (0) English FAX +41 (0) (800) 231-7717


Technical Help
+41 (0) English FAX +41 (0) +269 3457
Caution: Changes or modifications not expressly approved by Logitech Inc. could void the users authority to operate the equipment.
Declaration of Conformity



Logitech Inc.

6505 Kaiser Drive Fremont, CA 94555-3614 Phone: (510) 795-8500 Fax: (510) 792-8901

+886 (2) 27466601 x2206

+61 (02) +61 (02) (800) 231-7717 +3457
+81 (3) FAX +81 (3) +39-1062 +39-0871
Contact your local authorized distributor, or call our Customer Support Hotline in the USA

+269 3457

FCC Disclosure: - Information to the user: NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: (1)Reorient or relocate the receiving antenna. (2)Increase the separation between the equipment and receiver. (3)Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. (4)Consult the dealer or an experienced radio/TV technician for help.
We declare under our sole responsibility that the following products are in conformity with FCC Part 15, Subpart B, Section 15.107(a) and Section 15.109(a), Class B Digital Device.
MARKETING NAME: Logitech Z-680



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