DC 12V-24V 2 Channel TPA3116 Digital Audio Amplifier Board TPA3116D2 Subwoofer Speaker Power Amplifier with 2*50W 100W

Feature: Two high-quality TPA3116D2 digital power amplifier chips are used. The sound quality is very good, the efficiency is high, and the power is amplified. 50W * 2 100W 2.1 channel (left/right channel and subwoofer channel), high efficiency and low heat. Equipped with DC 12-24V, wide input voltage. Users can easily adjust the volume by themselves. Applicable speaker impedance: 4-8 ohms. Just connect the power supply and speakers and enjoy pure digital music! Note: The amplifier circuit board must be powered by a DC power supply (DC12-24V), preferably a high-performance switching power supply. Don’t use a transformer! Specifications: Power supply voltage: DC 12-24V Chip: TPA3116 * 2 Channel type: 3 channels (left channel, right channel, subwoofer) Output power: 50W * 2 100W * 1 subwoofer Output matching: 4-8 ohm Audio output: terminal Frequency response range: 14-100KHz Signal to noise ratio: 100 dB Switching frequency: 1.2MHz PCB board specifications: 100 * 70 * 30 mm / 3.94 * 2.75 * 1.18in (L * W * H) Weight: 113g/3.98oz Packing size: 13.5 * 11 * 5 cm / 5.31 * 4.33 * 1.97in (L * W * H) Package weight: 178g/6.3oz