Boss 455BRGB - Specifications and Troubleshooting; General and Radio Specifications

General
Power supply Requirement : DC 12V
Maximum power output 50W X 4CH
Speaker impedance : 4 – 8 Ohm
Unit Dimensions(WxHxD) : 7.0 X 2.0 X 3.8 inch
Weight 1.54 Lb (0.7 kg)
Fuse 15 A
RADIO
FM
Frequency Range: 87.5 MHz – 107.9 MHz (USA) 87.5 MHz – 108.0MHz (EUROPE)
Channel step: 200 KHz(USA) 50 KHz(EUROPE)
AM
Frequency Range 530 KHz – 1710 KHz (USA) 522-1620 KHz(EUROPE)
Channel step: 10 KHz(USA) 9 KHz(EUROPE)
USB