ZK-HT21 Bluetooth Amplifier 2.1 Channel 160W x 2+220W Subwoofer, Mini Stereo Audio Amplifier Module with BT/USB/AUX Input, Chip TDA7498E, DC 15-36V for Home Theater and Living Room

2.1CH Audio Amplifier with Subwoofer: 2.1 channel configuration to connect 2 passive speakers and a subwoofer; independent bass/treble controls and subwoofer frequency adjustment (20-200Hz) for personalized and immersive sound. High output power: 160W x 2 for left/right channels and 220W for subwoofer; driver of speakers (30-200W, 4-8 Ohm) and subwoofer (30-220W); DC 15-36V/8A power supply recommended for optimal performance. Hi-Fi Stereo Audio Quality: Built-in TPA7498E Class D amplifier chips for ultra-low distortion and high definition sound; Tin circuit design for increased power and 5532 preamplifiers to improve gain and clarity. Versatile connections: Bluetooth 5.0 for fast and lossless transmission (range 15 m), USB input, USB sound card, and 3.5 mm AUX input; compatible with smartphones, PCs, and other audio sources. Built-in protections and heat dissipation: Overvoltage, under-voltage, overheating and short circuit protections; Quiet fan for efficient cooling. Compact and easy to install (9.5 x 9 x 2.2 cm), ideal for home, car, bars or outdoor events