Integrated Amplifiers

500W ±45V-±70V Digital Power Amplifier Board Mono Channel Class D HiFi Sound Amplifier for 4-8 ohm Car Home Speaker Subwoofer 500W ±45V-±70V Digital Power Amplifier Board Mono Channel Class D HiFi Sound Amplifier for 4-8 ohm Car Home Speaker Subwoofer 500W ±45V-±70V Digital Power Amplifier Board Mono Channel Class D HiFi Sound Amplifier for 4-8 ohm Car Home Speaker Subwoofer