AIYIMA Updated A04 TPA3251 Power Amplifier 175Wx2 HIFI Sound Amplifier 2.0 Stereo Amp Audio Home Professional Amplificador
AIYIMA Updated A04 TPA3251 Power Amplifier 175Wx2 HIFI Sound Amplifier 2.0 Stereo Amp Audio Home Professional Amplificador
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AIYIMA Updated A04 TPA3251 Power Amplifier 175Wx2 HIFI Sound Amplifier 2.0 Stereo Amp Audio Home Professional Amplificador

4.8 stars out of 4 reviews
(4.8)|
4 ratings

Key item features

 

Features： 1.Using ti's PurePath Ultra-HD series power amplifier chip TPA3251 2.Japan nichicon large pond power supply filter capacitor is used to cope with large dynamics, and elna red robe stepless audio coupling capacitor is used 3.The op amps are powered by positive and negative voltages, and all op amps can be equipped with Taiwan Zhengling Seiko gold-plated ic sockets to improve playability. 4.High-power shielded inductance with Epcos output lc filter 5.With high and low tone adjustment 6.The product adopts OP amp NE5532, which can replace the OP amp chip: RT3609SM, OPA2604, OPA2134, LM4562, JRC5532, OP275GSZ, OPA1612, etc.
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4.8 out of 5 stars
stars4 ratings3 reviews
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  1. 5 stars75% (3)
  2. 4 stars25% (1)
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Showing 1-3 of 3 reviews

Apr 14, 2025
InvisibleAnomaly
Sold byAIYIMA AUDIO
5 out of 5 stars review

Verified Purchase

Wow!

This amp is very clear and has a defined sound. Insane price with a 32 volt power supply(do the research). This is NOT for small, tight spaces, even at two notches it's clear, full %26 loud. It made my old Bose speakers shine paired with a vintage Technics CD carousel. Better than Fosi Audio at this price! Recommended!

Incentivized Review
Helpful?2HB0YFW44I2I1416387562
Sep 23, 2023
JKF
Sold byAIYIMA AUDIO
5 out of 5 stars review

Verified Purchase

Excellent Sound - Very Compact %26 Well Made

This very compact class D amplifier has excellent sound and is well-constructed. The knobs feel solid and have indents for easy control. Also includes Aux Input/Output and can add sub-woofer easily. It has power and will drive most speakers efficiently regardless of impedance. Nice case, brushed metal and good posts. Quite capable, the sound is great!

Incentivized Review
Helpful?2HB0YFW44I2I1416387562
Oct 18, 2025
Walmart customer
Sold byAIYIMA AUDIODelivered byWalmart
4 out of 5 stars review

Verified Purchase

Large gap between bass and treble

This Aiyma mini amp is powerful and feels well built. All controls are solid for this class of amp. The problem is with the Parts Express Dayton Audio 2 way 6in woofer speakers I use, the treble curve is too short. No matter how much treble is applied, sound lacks presence. Sure, I can back off on bass, but that just compresses the sound even more. This TPA3251 chip based amp does not reach the level of a pair of Tripath chip based amps I have in terms of a wide and balanced sound profile. I hope Aiyima engineers will consider a redesign. Then this amp with its build quality will rock!

Incentivized Review
Helpful?2HB0YFW44I2I1416387562