Voice Coil Impedance:4/6/8/12ohm;Operating voltage:12V; Output power:20/25/30/35w;S.P.L:105/108/112/115dB;

Three or five electronics siren with microphone.Nice &pretty design ;high dB;high power;

Specifications:

voice coil Impedance:4/6/8/12Ohm;

Voice coil Dimension(Dia):¢25.4mm;

Rated Voltage:12VDC;

Opertaion voltage:9-16VDC;

Output Power:15W/20W/25W/35w;

Min. S.P.L:105/108/110/112dB(at rated voltage at 1m);

Max. Rated current:700/1000/1200/1500mA;

Tone Nature:Warble/3-tone/5-Tone;

Operating Temperature:-20°c~+60°c;

3 tone speaker with adjustable button-adx802