) Power output (mids and lows): 350W/8 Ohm 2) Input sensitivity/impedance (L-R channels): 550mV / 47 kOhm, 1kHz(unbalanced) 3) Power output: (highs): 50W, 8 Ohm 4) Input sensitivity/impedance (L-R) 550mV/47 kOhm, 3. 5kHz (unbalanced) 5) Crossover frequency: Fo=3. 3kHz 6) Frequency response: 20Hz - 35kHz (-0. 3dB) 7) THD: < 0. 03% 8) S/N: 97dB (A-weighted) 9) Power supply: AC, 220V, 50/60Hz 10) Components: 15" woofer, 25. 00mm titanium tweeters 11) Protection: Independent overload protection 12) Connections: Dual 'Speakon' and 1/4" phone jacks 13) Enclosure: Compact polypropylene cabinet, recessed bar handles, steel grille, 35 mm stand/pole mount, two flying point on top, rubber feet Features: 1) A 'Butterworth' RC filter is incorporated into the pre-amplifier of this crossover circuitry 2) Precise crossover frequency, low distortion and high LF damping factor 3) Comprehensive protection includes middle DC output drift (+/-1. 02V), output short circuit 4) Temperature, overload and auto limiter circuitry 5) LED displays the status of all the circuitry when working CE, CB & CCC approvaled, welcome for OEM! Inner packing: Dimensions: 688 x 442 x 355mm Please refer to our website for more information and more models, thanks.