K-4

K-4 stereo speaker:
(4 inch woofer+1 inch dome tweeter)
The K-4 active stereo speaker use class A/B amplifier with reproduction fidelity
5VDC charge for ipod
Two way input of RCA &3.5 jack
Volume Control & Power LED Indicators
Use highly qality deluxe gold RCA & deluxe gold terminal connector
Protector: Output short, over loads & Over temperature
Subwoofer line level output

Specification:
RMS power @4Ω/ 1%THD: 2 x 15W
RMS power @ 4Ω /10%THD: 2 x 20W
Distortion @ 4Ω/ 1W-15W: <0.05%
Frequency range-3dB @ 45Hz:40Hz-20KHz
Crossover frequency: 2v.5KHz
Crossover filter: 12dB/Oct
S/N ratio @ 4Ω/1KHz: >95dB
RCA input sensitivity: 1800mV
3.5 jack input sensitivity: 320mV
Sub out Level: 1.0V
Nose output: <2mV
DC of  set: <5mV
Mains Voltage: AC 230V/ 50Hz
Amplifier Dimensions: 189 x 129 x 70mm (H x W x D)
Speaker Dimensions: 220 x 152 x 180mm (H x W x D)