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Tonewinner wholesale power Hi-Fi music amplifier

Jul. 07, 2025

Tonewinner wholesale power Hi-Fi music amplifier

AD-3PRO+ is a Hi-Fi amplifier with high power transformer and capacitor. It supports one-click switch among Class A, Class AB and Auto mode. It supports XLR, RCA, DSD decoding, MM/MC phono and USB Audio to meet the need of audiophiles and audio enthusiasts. The high audio sample rate offers rich and analytical sound. As a top 10 audio brand in China, Tonewinner has 30+ years experience in designing and manufacturing acoustic products. As an original supplier, Tonewinner always warmly welcomes distributors, partners and customers around the world.

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Model AD-3PRO+ THD ≤0.05%（1kHz，normal working） Channels 2.1 SNR ≥108dB（A weighted） Frequency 15Hz-95kHz（+1/-3dB） Standby power consumption ＜0.5W Power output 2×165W (8Ω,1kHz,THD=1%,1 channel driven） Impedance 8Ω Gain 40dB ±1dB Power consumption 260W-300W（Calss A）； 70W-110W（Class AB） N.W. 30.5kg Dimension Size: 444x460x226mm（W×D×H） Package: 614×604×379mm Applicable Places living room, theater, Karaoke room, demo room，bedroom, meeting room, etc. Accessories power cord, manual, optical cable, remote control

AD-3PRO+ is a dual channels Hi-Fi amplifier with high power transformer and capacitor. And it's a 330 watts stereo audio amplifier which supports one-click switch among Class A, Class AB and Auto mode. It supports XLR, RCA, DSD decoding, MM/MC phono and USB-Audio to meet the need of audiophiles and audio enthusiasts. The integrated stereo power amplifer with high audio sample rate will offer you rich and analytical sound.

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Function of amplifier Hi-Fi stereo

1 coaxial and 2 optical digital inputs; support PCM and DSD decoding.
2 way unbalanced and 1 way balanced inputs.
USB sound card, support 768k sampling rate PCM and DSD512 software decoding/hardware decoding.
Manual power-on/standby function, trigger power-on/standby function.
Static bias mode selection: Class A/Class AB/AUTO.
Speaker output module selection: group A/ groupB/ groupA+B.
Standby, working and protection modes display on front panel.
AC 110V/220V power supply automatic compatibility.
1 unbalanced and 1 balanced bass output.
MM/MC phono inputs.

Features overview

Adopt fully balanced, fully symmetrical, differential input to differential BTL power output Class A power amplifier circuit.
High conversion rate, low harmonic distortion, low noise, good transient response, wide frequency response range.
The amplifying part adopts a common base circuit to improve the gain and high-frequency response.
The output part adopts a three-stage Darlington transistors.
High voltage for amplifying part and slight low voltage for output part to futher improve the performance of the whole machine.
600W high quality transformer, up to 80,000 capacitance.
165W/8Ω high power output for each channel to drive all kinds of speakers.
Independent internal layout to minimize the influence of left and right channel signals.
Protections: overcurrent, overheat, short circuit, etc.