why are they non returnable?

Metra 72-8104 Speaker Connector for Select Toyota Vehicles This connector does not fit Toyota Venza. Why I cannot return?

what is the average life span of these speakers?

7+ YEARS STRONG! I purchased these back in December of 2013 in college. Speakers have moved around over 10 times, but I kept the original box for moving purposes. Finally purchased a home and these still remain as my main TV speakers. I recommend this set of speakers for anyone who wants that movie theater and thrilling music experience in their own home!

How does one extend the cable of the control speaker with the 15 pin vga cable? a regular vga cable extension didn't work.

The problem with most all VGA Extension cables is that they tie pins 6,7,8 and 10 to the casing (GND). This is fine for a VGA Cable, but is not desired for an extension cable. It does not work in extending the right control speaker. Instead, go with the Amphenol Cable Extension that wires the pins straight through. Lengths are available in 5', 10', 15' and 25'. Just change the last two digits when looking for your desired length. CS-DSDHD15MF0-005 Length: 5' CS-DSDHD15MF0-010 Length: 10' CS-DSDHD15MF0-015 Length: 15' CS-DSDHD15MF0-025 Length: 25' Be sure to get a Male to Female connectors.

what are the speaker and sub dimensions

The sub woofer is 10" deep, 12" wide and 11" high. The speakers are 5" wide, 5 " deep and 8" high. Meas. are aprox. Hope that helps.

Logitech Z623 400 Watt Home Speaker System 2 1 Speaker

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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€ 405.32

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Description

🎶 Elevate Every Moment with Thunderous Sound

VERSATILE COMPATIBILITY - Plug and play with TVs, PCs, gaming consoles, tablets, and smartphones for a truly universal audio upgrade.
POWERFUL 400 W PEAK OUTPUT - Unleash booming bass and crystal-clear highs with 200W RMS power, perfect for large rooms and epic soundscapes.
IMMERSIVE THX CERTIFIED SOUND - Experience studio-quality audio that transforms your music, movies, and games into a cinematic event.
INTUITIVE ON SPEAKER CONTROLS - Adjust volume and bass on the fly without interrupting your vibe—total control at your fingertips.
SEAMLESS MULTI DEVICE CONNECTIVITY - Easily switch between up to 3 devices with RCA and 3.5mm inputs—your computer, console, smartphone, and more.

The Logitech Z623 is a THX-certified 2.1 speaker system delivering 400 watts peak power (200W RMS) through two satellite speakers and a powerful 12-inch subwoofer. Designed for immersive audio across music, movies, and gaming, it supports multiple inputs (RCA and 3.5mm) for seamless connectivity with computers, consoles, and mobile devices. Its compact tabletop design and on-speaker controls make it a versatile and powerful upgrade for any entertainment setup.

Specifications

ASIN	B003VAHYTG
Age Range Description	Adult
Antenna Location	Music,Games,Movies
Audio Driver Type	Dynamic Driver
Audio Output Mode	Surround Sound, Stereo
Best Sellers Rank	217,186 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 706 in Computer Speakers
Box Contents	Speakers; 3.5 mm audio input cable; Speaker connector cables; User documentation
Brand Name	Logitech
Colour	Black
Compatible Devices	Gaming Console,Television,Personal Computer,Tablet,Smartphone
Connectivity Protocol	RCA, Auxiliary
Control Method	Remote
Controller Type	Button
Customer Package Type	Frustration-Free Packaging
Customer Reviews	4.6 4.6 out of 5 stars (10,706)
Enclosure Material	Plastic, Metal
Frequency Response	20000 Hz
Global Trade Identification Number	00097855066466
Is Electric	Yes
Is Waterproof	FALSE
Item Dimensions D x W x H	44D x 30.1W x 31.1H centimetres
Item Weight	8.2 Kilograms
MP3 player	No
Manufacturer	Logitech
Maximum Speaker Output Power (in watts)	400 Watts
Model Name	Z623
Model Number	980-000402
Mounting Type	Tabletop
Network Connectivity Technology	Auxiliary, RCA
Number Of Circuits	3
Number of Audio Channels	2.1
Number of Batteries	1 Lithium Ion batteries required.
Number of Items	1
Number of Power Levels	1
Power Source	Corded Electric
Processor Count	2
Product Features	Bass Boost, USB Port, Waterproof
Series Number	623
Signal-to-Noise Ratio	70 dB
Speaker Size	3.5 Millimetres
Speaker Type	Satellite,Subwoofer,Monitor
Specific Uses For Product	Gaming
Subwoofer Connectivity Technology	Wired
Subwoofer Speaker Diameter	12 Inches
Tweeter Diameter	1 Inches
UPC	097855066466
Unit Count	1.0 count
Warranty Type	Limited
Water Resistance Level	Not Water Resistant
Wireless Technology Type	Wi-Fi
Woofer Driver Diameter	12 Inches

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