Bluetooth Wall Mount Speaker 4 inch Built-in Class D Digital Amplifier Active Loudspeaker PA System Home Theater Background Music Audio

SURPASS. Input/Output: Aux. Sound Mode: Other. Category: Speakers. Use: Home. Bluetooth Version: 5.1. Input Power(W: Active Noise-Cancellation: Active. Impedance: 8 Ohm. Voice Control: No. Output Power: 20W. Display Screen: No. Waterproof: No. Support APP: No. Support Memory Card: No. Material: Plastic. Remote Control: No. Intelligent Personal Assistant: NONE. Audio Crossover: Two-Way. Number of Loudspeaker Enclosure: 1. Power Source: DC. PMPO: 40W. Channels: 1. Battery: No. Communication: AUX, bluetooth. Speaker Type: Wall-mount. Cabinet Material: Plastic. Brand Name: Surpass. Origin: Mainland China. Certification: CE. Name: 4 Bluetooth Wall Mount Speaker One Master. Model: SP-BW20. Type: Bluetooth speaker. Speaker Unit: 4 x1,0. 75 x1. Rated Power: 20W. Peak Power: 40W. Impedance: 8. Sensitivity(1W/1M: 90dB±3dB. Frequency Response: 100-14Khz. Bluetooth Version: 5.1. Wireless transmission range: More than 10 meters. Amplifier: Class D digital power amplifier module. Nonlinear Distortio