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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Description

🎶 Elevate your sound game — don’t just listen, live it!

THX CERTIFIED AUDIO - Experience studio-quality clarity that elevates your music, movies, and gaming sessions.
POWERFUL 400 W OUTPUT - Feel every beat with 200W RMS and a 130W subwoofer delivering room-filling sound.
ROBUST BUILD DESIGN - Heavy-duty metal enclosure and tabletop mount ensure durability and premium presence in any space.
VERSATILE CONNECTIVITY - Plug in up to 3 devices simultaneously via RCA and 3.5mm inputs—seamless multi-device setup.
CUSTOMIZABLE BASS CONTROL - Tailor your bass from subtle to booming with an easy-access control knob on the satellite speaker.

The Logitech Z623 is a THX-certified 2.1 speaker system delivering 400 watts peak power with 200 watts RMS, including a 130W subwoofer. Designed for immersive, studio-quality audio, it supports multiple devices via RCA and 3.5mm inputs. Its robust metal build and customizable bass control make it ideal for music, movies, and gaming in large rooms, offering professional-grade sound without the premium price tag.

Specifications

ASIN	B003VAHYTG
Additional Features	Bass Boost, USB Port, Waterproof
Age Range Description	Adult
Antenna Location	For Televisions
Audio Driver Size	12 Inches
Audio Driver Type	Dynamic Driver
Audio Output Mode	Stereo, possibly Surround Sound
Best Sellers Rank	#11,508 in Electronics ( See Top 100 in Electronics ) #1 in Satellite Speakers
Brand	Logitech
Built-In Media	Speakers; 3.5 mm audio input cable; Speaker connector cables; User documentation
Color	Black
Compatible Devices	MP3 Players, Gaming Console, Personal Computer, Smartphone, Tablet, Television
Connectivity Protocol	RCA, Auxiliary
Connectivity Technology	Auxiliary, RCA
Control Method	Remote
Controller Type	Auxiliary/RCA Inputs
Customer Package Type	Standard Packaging
Customer Reviews	4.6 4.6 out of 5 stars (11,463)
EU Spare Part Availability Duration	2 Years
Enclosure Material	Metal
Frequency Response	20000 Hz
Global Trade Identification Number	00097855066466
Is Electric	Yes
Is Waterproof	FALSE
Item Dimensions D x W x H	17.31"D x 11.87"W x 12.25"H
Item Weight	8.2 Kilograms
MP3 player	No
Manufacturer	Logitech
Model Name	Z623
Model Number	980-000402
Mounting Type	Tabletop Mount
Number Of Circuits	3
Number of Audio Channels	3.1
Number of Batteries	1 Lithium Ion batteries required.
Number of Items	1
Number of Power Levels	1
Power Source	Corded Electric
Processor Count	2
Series Number	623
Signal-to-Noise Ratio	70 dB
Speaker Maximum Output Power	400 Watts
Speaker Size	3.5 Millimeters
Speaker Type	Satellite,Subwoofer,Monitor
Specific Uses For Product	Gaming
Subwoofer Connectivity Technology	Wired
Tweeter Diameter	1 Inches
UPC	097855066466
Unit Count	3.0 Count
Warranty Description	1 Year Limited Hardware Warranty
Warranty Type	Limited
Water Resistance Level	Not Water Resistant
Wireless Technology	No Wireless Communication Technology
Woofer Diameter	12 Inches

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HK$2954

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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