Sansui QS-4
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Product
Site
Price
Listed
eBay
Sansui QS-1 4-Channel Quadraphonic Decoder Vintage 1970s
A$651
Feb 15, 2026
A$651
Feb 15, 2026
eBay
Sansui QS-1 4-Channel Quadraphonic Decoder Vintage 1970s
CA$529
Feb 14, 2026
CA$529
Feb 14, 2026
eBay
Sansui QS-1 4 Channel Synthesizer Quadraphonic 1973 Vintage- Power tested only
Auction bid
- Feb 14, 2026
Auction bid- Feb 14, 2026
eBay
Sansui QS-1 4-Channel Quadraphonic Decoder Vintage 1970s
$385
Feb 13, 2026
$385
Feb 13, 2026
eBay
Vintage Sansui QS-500 4-channel Rear Amplifier
$235
Jan 23, 2026
$235
Jan 23, 2026
eBay
Décodeur synthétiseur Sansui QSD-2 QS 4 canaux vintage quadraphonique inutili...
€477
Jan 16, 2026
€477
Jan 16, 2026
eBay
Sansui QSD-2 QS 4 CHANNEL SYNTHESIZER /DECODER For Parts 69623
$210
Jan 16, 2026
$210
Jan 16, 2026
eBay
SANSUI QRX-6001 QS 4 CHANNEL RECEIVER
$599
Jan 10, 2026
$599
Jan 10, 2026
eBay
Sansui QS-1 4 Channel Synthesizer Quadraphonic 1973 Vintage
$404
Jan 3, 2026
$404
Jan 3, 2026
eBay
Vintage SANSUI QS 4-Channel, Vinyl Record Dust Cleaner
$21
Dec 25, 2025
$21
Dec 25, 2025
eBay
Sansui QS100 4-Channel Rear Amplifier Specification Sheet Look
$28
Dec 24, 2025
$28
Dec 24, 2025
eBay
SANSUI QS-1 4-channel synthesizer #BE08698
$628
Dec 11, 2025
$628
Dec 11, 2025
eBay
Unused Sansui QSD-2 QS 4 Channel Synthesizer Decoder Vintage Quadraphonic w/ Box
A$733
Nov 20, 2025
A$733
Nov 20, 2025
eBay
Unused Sansui QSD-2 QS 4 Channel Synthesizer Decoder Vintage Quadraphonic w/ Box
$449
Nov 12, 2025
$449
Nov 12, 2025
eBay
Sansui QS-1 4 Channel Synthesizer Quadraphonic Decoder Maintained 1973 Vintage J
A$1,231
Sep 14, 2025
A$1,231
Sep 14, 2025
eBay
Sansui QS-1 4 Channel Synthesizer Quadraphonic Decoder Maintained 1973 Vintage J
$837
Aug 30, 2025
$837
Aug 30, 2025
eBay
Sansui QSD-2 QS 4 CHANNEL SYNTHESIZER /DECODER For Parts 69623
$350
Jun 12, 2025
$350
Jun 12, 2025
eBay
Vintage 1973 Sansui QS-1 4-Channel Synthesizer 4 VU Meters Audio Very Rare
$889
Jun 8, 2025
$889
Jun 8, 2025
eBay
Sansui QS-100 4-CH Rear Amplifier Operating Instructions&Service Manual-Original
$9
May 5, 2025
$9
May 5, 2025
eBay
Sansui QS-100 4 Channel Rear Amplifier D-592
$64
Apr 3, 2025
$64
Apr 3, 2025
eBay
Sansui QS-500 4 Channel Rear Amplifier Instructions & Service Manual D-593
$74
Apr 3, 2025
$74
Apr 3, 2025
eBay
Sansui QS-1 4-Channel Synthesizer 1973 Vintage Audio Used from Japan Very Good
$634
Dec 20, 2024
$634
Dec 20, 2024
eBay
Vintage Sansui QS 4-Channel Receiver QRX-6500 W/ Service Manual
$574
Sep 30, 2024
$574
Sep 30, 2024
eBay
High res scans of owner's/service manual for Sansui QS-800 4-ch. rear amplifier
$25
Jan 21, 2024
$25
Jan 21, 2024
eBay
Vintage Sansui QSD-1 QS 4 Channel Synthesizer Decoder
€967
Aug 12, 2023
€967
Aug 12, 2023
eBay
Sansui QS-1 4-channel Synthesizer Vintage Stereo Receivers Good
$664
Mar 2, 2023
$664
Mar 2, 2023
eBay
High-res scans of the rare Sansui QS-500 4-channel rear owner's/service manual
$29
Jun 2, 2022
$29
Jun 2, 2022
eBay
High res scans of owner's/service manual for Sansui QS-800 4-ch. rear amplifier
$25
Jun 2, 2022
$25
Jun 2, 2022
eBay
Vintage Sansui QSD-1 QS 4 Channel Synthesizer Decoder
$1,114
Dec 15, 2021
$1,114
Dec 15, 2021
Resources
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Discuss Sansui QS-4
học hỏi
By tuananh vu, 29. March 2019, 03:03.
cho tôi biết các chức năng của bộ sansui QS-4
By maximus, 25. April 2019, 12:04.
In reality, there is no Sansui product called the QS-4. It seems to be an artifact cased by QS and 4-channel decoder.
Having said that, the QS products were exactly that - a way to synthesize 4 channel audio from a stereo signal.
Having said that, the QS products were exactly that - a way to synthesize 4 channel audio from a stereo signal.