New Arrival Winner AD-3240PA 3 Channels Home Power Amplifier AV Power Amplifiers 250W8Ω 400W@4Ω

Reference-Grade Power Amplification for Home Theater & Audiophile Listening

The Tonewinner AD-3240PA is a statement in refined power and sonic authority. Crafted for discerning listeners, this three-channel power amplifier combines effortless dynamics with exceptional musical transparency, delivering a listening experience defined by precision, control, and emotional depth.

Engineered with meticulous attention to circuit design and component quality, the AD-3240PA offers abundant current delivery, ultra-low noise, and remarkable speaker control. Whether reproducing the scale and impact of cinematic soundtracks or the subtle textures of high-resolution music, it performs with composure and elegance at every volume level.

This is amplification designed not merely to drive speakers, but to reveal their full potential.

Sonic Excellence

• Effortless Power Delivery — high RMS output ensures commanding dynamics without strain

• Exceptional Clarity — ultra-low distortion preserves tonal purity and fine detail

• Wide-Bandwidth Performance — extended frequency response captures the full realism of music and film

• Superior Speaker Control — high damping factor delivers tight, articulate bass and precise imaging

• Quiet, Refined Background — outstanding signal-to-noise performance enhances micro-detail and spatial depth

Output Power Performance (THD < 0.1%)

110V-120V Operation

• 261 W RMS — 8 Ω, single channel driven

• 429 W RMS — 4 Ω, single channel driven

• 224 W RMS per channel — 8 Ω, two channels driven

• 330 W RMS per channel — 4 Ω, two channels driven

• 191 W RMS per channel — 8 Ω, all channels driven

• 264 W RMS per channel — 4 Ω, all channels driven

230V-240V Operation

• 272 W RMS — 8 Ω, single channel driven

• 441 W RMS — 4 Ω, single channel driven

• 228 W RMS per channel — 8 Ω, two channels driven

• 335 W RMS per channel — 4 Ω, two channels driven

• 197 W RMS per channel — 8 Ω, all channels driven

• 271 W RMS per channel — 4 Ω, all channels driven

Reference-Level Audio Specifications

Frequency & Bandwidth

• Frequency Response:

  • 120V: 10 Hz – 37 kHz

  • 240V: 10 Hz – 35 kHz

• Power Bandwidth (8 Ω):

  • 120V: 10 Hz – 37 kHz

  • 240V: 10 Hz – 35 kHz

Distortion (THD+N)

• < 0.0065% @ 100 W RMS, 1 kHz, 8 Ω (A-weighted)

• < 0.0004% @ 30 W RMS, 1 kHz, 8 Ω (A-weighted)

Signal Integrity & Control

• Signal-to-Noise Ratio:

  • 102 dB — full power, 8 Ω (A-weighted)

  • 98 dB — 100 W output, 8 Ω (A-weighted)

  • 78 dB — 1 W output, 8 Ω (A-weighted)

• Gain: 28.8 dB

• Input Sensitivity:

  • 120V: 1696 mVrms

  • 240V: 1740 mVrms

Power & Load Handling

• Minimum Recommended Load: 8 Ω

• Damping Factor (8 Ω): > 285

• Maximum Power Consumption:

  • 120V: 958 W (8 Ω) / 1530 W (4 Ω)

  • 240V: 990 W (8 Ω) / 1580 W (4 Ω)

Technical Specifications

*Actual power output may vary depending on speaker impedance and operating conditions.




1. Balanced signal input terminal 
2. Unbalanced signal input terminal 
3. Trigger the output port 
4. Speaker wiring terminals 
5. Trigger input port 
6. Power input