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Stereo high-power Class D digital power amplifier board with 2x600W, equipped with ultra-TPA3255 relay protection

Massive 2×600W Stereo Power: Professional HiFi amplifier board delivers exceptional 600W per channel into 4 loads (1200W total power). Extreme output capacity drives high-efficiency speakers, subwoofers, and large-venue sound systemsuncompromising power for audiophile home theaters and professional installations.
Super TPA3255 Class D Technology: Powered by dual Texas Instruments TPA3255 flagship chipsets in parallel configuration. Enhanced current delivery and thermal performance exceed single-chip designsachieves ultra-low distortion (<0.001% THD+N) with massive headroom for dynamic peaks.
Audiophile-Grade Sound Quality: Advanced Purepatch HD modulation technology delivers transparent, detailed sound reproduction rivaling Class AB amplifiers. Wide frequency response (20Hz-20kHz ±0.5dB) and exceptional SNR >115dBprofessional HiFi performance with Class D efficiency.
Integrated Relay Protection System: Built-in speaker relay protection with delay start/stop circuitry prevents DC offset and turn-on/turn-off transients. Automatically disconnects speakers during power fluctuations and fault conditionssafeguards expensive drivers from damage.
Single-Voltage Simplified Design: Optimized for ±50V~±70V single power supply rail operation without complex dual-rail requirements. Simplified power supply integration reduces component countideal for custom amplifier builds, active speaker projects, and high-power subwoofer applications.

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Massive 2×600W Stereo Power: Professional HiFi amplifier board delivers exceptional 600W per channel into 4 loads (1200W total power). Extreme output capacity drives high-efficiency speakers, subwoofers, and large-venue sound systemsuncompromising power for audiophile home theaters and professional installations.
Super TPA3255 Class D Technology: Powered by dual Texas Instruments TPA3255 flagship chipsets in parallel configuration. Enhanced current delivery and thermal performance exceed single-chip designsachieves ultra-low distortion (<0.001% THD+N) with massive headroom for dynamic peaks.
Audiophile-Grade Sound Quality: Advanced Purepatch HD modulation technology delivers transparent, detailed sound reproduction rivaling Class AB amplifiers. Wide frequency response (20Hz-20kHz ±0.5dB) and exceptional SNR >115dBprofessional HiFi performance with Class D efficiency.
Integrated Relay Protection System: Built-in speaker relay protection with delay start/stop circuitry prevents DC offset and turn-on/turn-off transients. Automatically disconnects speakers during power fluctuations and fault conditionssafeguards expensive drivers from damage.
Single-Voltage Simplified Design: Optimized for ±50V~±70V single power supply rail operation without complex dual-rail requirements. Simplified power supply integration reduces component countideal for custom amplifier builds, active speaker projects, and high-power subwoofer applications.

Additional Information
First Listed on Newegg	July 30, 2026

Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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