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TPA3255 600W Mono HiFi Digital Subwoofer Amplifier Board Class D with Frequency Volume Control DC 24V-48V
TPA3255 600W Mono HiFi Digital Subwoofer Amplifier Board Class D with Frequency Volume Control DC 24V-48V
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Product Overview
This TPA3255 mono subwoofer digital amplifier board delivers clean, powerful bass for DIY HiFi audio, home theater and passive subwoofer builds. Built with original TI TPA3255 power chip and OPA1632DR op-amp, it supports independent frequency and volume adjustment to customize low-frequency performance as you like.
Core Highlights
✅ Original TPA3255 + OPA1632DR Dual Premium Chips
Equipped with genuine TI TPA3255 Class D amplifier IC and OPA1632DR operational amplifier, restoring rich, detailed audio with ultra-low distortion.
✅ Stable High-Capacity Filter Circuit
4pcs 470µF/100V large electrolytic filter capacitors provide steady continuous power supply, avoiding bass attenuation under high load.
✅ Adjustable Frequency & Volume Knobs
Independent control knobs for volume and cutoff frequency, freely tune bass depth to match different subwoofer speakers and music styles.
✅ High Efficiency Class D Design
Up to 88% energy efficiency, less heat generation than analog amplifiers, stable long-hour operation.
✅ Wide DC Voltage Compatibility
Works with DC 24V–48V power supply, flexible matching different power adapters for DIY audio projects.
Full Specifications
Model: TPA3255 Mono Subwoofer Amplifier Board
Amplifier Type: Class D Digital Amp
Rated Output Power: 600W @ 4Ω (10% THD)
Quiescent Current: 65mA
Efficiency: 88%
Frequency Response: 20Hz – 20kHz
Dynamic Range: >100dB
SNR (A-Weighted): 100dB
Operating Voltage: DC 24V – 48V
Board Dimension: 140*95mm
Application Scenarios
Ideal for DIY home theater subwoofers, HiFi bass speaker systems, multimedia audio setups, studio low-frequency audio modification and custom passive subwoofer projects.
Notes
This amplifier board does not come with power supply, please prepare DC 24V-48V power adapter separately.
Recommended to match 4Ω subwoofer speaker for optimal 600W output performance.
Install extra cooling heatsink if running at full power for extended periods to maintain stable working temperature.
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