GZCB 16.2SPL High-power loudspeaker enclosure 2-way loudspeaker system Full range audio reproduction Klippel® optimized High efficiency (SPL) 6.5″ double-midwoofer (GZCK 165XSPL) 1″ silk dome tweeter (GZCT 25SQL) 12 dB/oct crossover Solid enclosure made from MDF GZ design push terminal Owner′s manual enclosed Specifications: Frequency response: 50 Hz – 22 kHz Impedance: 2x 2 ohms Efficiency: 93 dB Power handling (stereo) 2x 200 W RMS (@ 2 ohms) 4x 400 W max (@ 2 ohms) Power handling (serial) 1x 400 W RMS (@4 ohms) 1x 800 W max (@4 ohms) Dimensions (straight dispersion) 35.43″ x 11.81″ x 9.65″ / 90 x 30 x 24.5 cm (wxhxl) Dimensions (angled dispersion) 35.43″ x 8.66″ x 11.81″ / 90 x 22 x 30 (wxhxl). GZIA 2.240 – 2-channel high quality class A/B amplifier – Channels: 2 – Output Power (@ 4Ω):2x 150 Watts RMS ( stereo mode ) – Output Power (@ 2Ω):2x 240 Watts RMS ( stereo mode ) – Output Power (@ 4Ω):1x 480 Watts RMS ( bridge mode ) – Frequency response: 10 Hz – 30 kHz (± 3 dB) – Low pass filter: 30 Hz – 250 Hz (12 dB/oct) – High pass filter: 40 Hz – 3000 Hz (12 dB/oct) – Total harmonic distortion(THD+N): 0.02% – Damping factor: 150 – Input sensitivity: 200 mV – 6 V – Signal to noise ratio (SNR): 101 dB Dimensions (W x L x H) 192 x 49 x 284/312 mm / 7.56 x 1.93 x 11.18/12.28 “.