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AIYIMA T4 - EU Warehouse Ship

Audio Amplifiers
$79.99 $59.99

Product description:

TPA3221 is a high-power class-D amplifier with closed-loop negative feedback with a bandwidth of up to 100kHz, providing low distortion of the audio band and excellent audio quality. The device works in AD or low no-load current HEAD (high efficiency AD mode) modulation, and can Ohm load provides 2x105W.

1. Using Beijing 6J1 electronic tube, can replace the tube: 6K4, 6J2, GE5654, 6J3, 6J4, 6J5, 6*1N, 6AK5, etc.
2. Original TPA3221 Class D amplifier chip.
3. Op-amp chip LM4562NA
4. The main filter capacitor adopts imported 1000UF/50V
5. High-precision chip resistors are selected for the resistors to ensure a good signal-to-noise ratio of the whole machine.
6. The PCB adopts 1.6mm thick double-sided board, 2.0 oz copper thickness, and the whole process of spraying tin to ensure good passing performance of large and small currents. First-class PCB quality.
7. The input and output use gold-plated RCA lotus seat, durable and beautiful!
8. The board wiring is reasonable, beautiful, and low noise
9. Bluetooth uses Qualcomm QCC3031 version 5.1, supports sbc, aac, aptx, aptx-HD
10. Bluetooth DAC uses PCM5102 to decode independently

Product parameters:
Chipset: 6J1+TPA3221+LM4562NA+QCC3031+PCM5102A
Operational amplifier chip: LM4562NA *2 (Replaceable chips: opa2604ap, opa2314, MUSE01/02/03, OPA2107AP, etc.)
Tube model: 6J1 tube (can replace tubes: 6K4, 6J2, GE5654, 6J3, 6J4, 6J5, 6*1N, 6AK5, etc.)
Bluetooth chip: QCC3031+PCM5102A (Bluetooth decoder chip) (Bluetooth 5.1) Support: SBC, ACC, APTX, APTX-HD
Distortion: 0.1%
Signal to noise ratio: -90db
Frequency response: 20-20Khz (±3db)
Treble/bass adjustment range: ±6db
Speaker impedance: 2-8Ω
Rated output power: 100Wx2, 4Ω load
Maximum output power: 120Wx2, 2Ω load
Input mode: Bluetooth / RCA, supported devices: mobile phones, tablets, computers, mp3 TVs, etc.
Output mode: passive speaker
Power supply: DC19-32V, 3A or more
Size: 138*121*40mm


Package included:
1Pcs TPA3221 Tube Amplifier
2Pcs 6J1 Tube
1Pcs EU DC32V 5A Supply Power

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All items in store may take 2 to 5 business days to process.  Please add processing time to your shipping estimate below.

Here is an estimate of the shipping times.  Due to factors that often affect international shipments, such as holidays, customs, and weather delays, we can only offer an estimate of shipping times. 


Estimated Shipping Time

United States

10-30 business days

Canada, Europe

15-40 business days

Australia, New Zealand

15-45 business days

Mexico, Central America, South America

20-60 business days 

Middle East (UAE, Saudi Arabia)

20-40 business days


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If the order arrives in your country and...
• The customer refuses to accept the package
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Aiyima reserves the right to abandon the package(s) and will not be responsible for any refund.

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AIYIMA T4 - EU Warehouse Ship
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