Place of Origin: Guangdong China (Mainland) Type: Mini Amplifier Channels: 2 (2.0) Model Number: SA-S3 TA2021B Dynamic Range: 100dB Case Material: Aluminum design: 2 * 25W Color: black/ Silver +black size: 148 * 97 * 32 mm
Unit Type: lot (3 pieces/lot) Package Weight: 2.0kg Package Size: 25cm x 20cm x 20cm

SA-S3 Features:
1, 2 * 25W Stereo real circuit design;
2, the internal parallel a large filter capacitor 7620uf (reservoir) to meet the needs of high-power bursting to solve delicate problems of partial voice switching power supply;
3, built-in speaker protection and power delay circuit, so there was no impact sound switch and protect your expensive speakers;
4, the protection of human start indicator is displayed;
5, the real full-fever all original parts manufacturing;
6, High tensile aluminum housing patterns oxidation process;
7, the original terminal anti-skid technology, to solve the traditional amplifier speaker wire connection terminal twist slip a common problem;
External dimensions: 148 * 97 * 32, including protruding parts
Panel Color: Black / Silver +black
Fit Color: Black
Case Material: Aluminum
Shell process: pulling grain oxide (not the same as the paint fade)
Screen Printing Technology: Laser engraving (not the same as the paint to fade)
Signal Input: RCA gold-plated lotus pedestal signal input
Signal output: 4-wire signal output
Power Supply: DC9-14.5V 50W above the outer diameter is 2.5mm diameter 5.5mm Ungrateful
Circuit board: 1.6mm thick all glass Immersion Gold
Packing list:
1 * SA-S3 AMP ( No include power adapter)





| Buyer | Product Information | Price | Order Date |
|---|---|---|---|
Gustavo L.
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25W*2 Aluminum 4-wire Signal Output Digital Amplifier |
US$67.99
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07 February 2026 |
hamzh hamou
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25W*2 Aluminum 4-wire Signal Output Digital Amplifier |
US$67.99
|
12 December 2025 |
hamzh hamou
|
25W*2 Aluminum 4-wire Signal Output Digital Amplifier |
US$67.99
|
17 December 2025 |
Luong Vu Quynh Anh
|
25W*2 Aluminum 4-wire Signal Output Digital Amplifier |
US$67.99
|
11 November 2025 |
raffele fuda
|
25W*2 Aluminum 4-wire Signal Output Digital Amplifier |
US$67.99
|
22 February 2026 |
jerry Schmidt
|
25W*2 Aluminum 4-wire Signal Output Digital Amplifier |
US$67.99
|
03 January 2026 |
Peyton S.
|
25W*2 Aluminum 4-wire Signal Output Digital Amplifier |
US$67.99
|
03 February 2026 |
Paul Keller
|
25W*2 Aluminum 4-wire Signal Output Digital Amplifier |
US$67.99
|
17 November 2025 |
okobeta kaiea
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25W*2 Aluminum 4-wire Signal Output Digital Amplifier |
US$67.99
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08 October 2025 |
| Buyer | Feedback | reviews text |
|---|---|---|
Damir Đukić
|
I would recommend. very good seller. Thank you
20 December 2025 |
|
Dejan Balalovski
|
good supplier and excellent products
06 November 2025 |
|
jerry Schmidt
|
It's cool!!! Most likely I will order still.
20 October 2025 |
|
raffele fuda
|
Excellent product, very good! honest seller!
22 December 2025 |
|
Keith Morin
|
very pleased with the product, will hopefully order more shortly
22 February 2026 |
|
Derat Koled
|
very pleased with the product, will hopefully order more shortly
25 January 2026 |
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