Nobsound 100W Subwoofer / Full Frequency Mono Channel Digital Power Amplifier Audio Mini Amp (Subwoofer, Black)

Adopting classical TPA3116 amp IC, class D amplification, max output power can reach 100W(4Ω load), easily to drive most passive subwoofers and match perfectly with them. With 3.5mm AUX audio input, perfectly compatible with many audio devices such as phone,TV, MP3, CD players, computers, amplifier with low frequency output etc.. With built-in preamplification circuit, can match well with the audio sources that with low signal output. Reasonable circuit, concise wiring layout and perfect protection, no sparks no shock. Adopting NE5532 op amp with ultra-low distortion and dynamic balanced, the sound is very smooth and natural. Mini size with exquisite appearance, aluminum alloy black case looks fashionable and attractive. With strong output power and high-quality sound, especially designed for the customers who pursue HiFi sound. Warm tips: 1. This is Nov. 2020 latest updated version, simplify the circuit, upgrade the components and greatly improve the sound quality. 2. Without power supply, if you want the version with DC 19V/4.74A power supply please search ASIN: B0753FRVY3 3. This is mono channel subwoofer version, if you want mono channel full-frequency version please search ASIN: B0753DQVK7