S19 Portable Voice Amplifier Teaching/Tour Guide/Promotion Sound Speaker Rechargeable Player With Microphone For Teachers

Weight[g 140. Depth[mm 100. Width[mm 100. Height[mm 100. Input/Output other. Battery Capacity[mAh 2200mAh. Touch Screen no. Sound Mode Stereo Sound Mode. Category Speakers. Use other. Sabwoofer cabinet material Metal. Woofer/Widerange material Metal. Tweeter material Metal. Input Power(W. Voice Control No. Frequency Range 100Hz-20KHz. Output Power 8W. Display Screen No. Waterproof No. Support APP No. Support Memory Card Yes. Remote Control No. Inligent Personal Assistant none. Audio Crossover Full-Range. Number of Loudspeaker Enclosure 1. Power Source Battery. PMPO 8W. Channels 1. Feature None. Battery Yes. Communication WireLess. Speaker Type Portable. Cabinet Material Metal. Origin Mainland China. Certification none. Number of speakers Two. Output power 8w. Battery capacity 2200mAh. Signal to noise ratio 75dB. Frequency response range 100HZ-20KHZ. Channel Mono channel. Effective distance 15 meters. Features: 1. Clear sound The 80mm large-diameter composite high-pitched crystal magnet