Main Feasure:
1.Using UHF700-870MHz Band to avert interference frequency.
2.It has twin handhelds so it could for two persons using at the same time.
3.Microprocessor control, ....

Digital Echo kalaoke AV Amplifier DAR-800
Features:
* Preset memory function for music and microphone level that can return automatically.
* Specified power: 400W.
* Three....

BS-558 MKII
Components: : LF 1X10 " ( 250mm) 8ohs
HF 2X3 " ( 75mm)
HF2X3 " ( 75mm)
Frequency Response : 40Hz - 20KHz+ 3dB
Sensitivity ( 1W/ 1m) : 98dB
Maximum Sound....

BS-12 SW SUBWOOFER
1.Power consumption: 350W
2.Output Power: 150W
3.Drivers: 12 " unshielded long throw woofer.
4.Frequency Response: 30Hz~ 160Hz
5.Sensitivity: 200mV( LINE....