Yealink MSpeaker II Black

Core Features: Two built-in speakers Supports PoE Supports 3.5mm AUX Stereo speakers Frequency response: 100Hz-20KHz Speaker volume: 89dB SPL @1W, 98dB SPL @8W, both +/-2dB at m Sensitivity: 89+/-2dB SPL at m RMS: 10W Black Variant