... , reasonnable price, support tape player, recordable Features of our H-001 car amplifier: 1, this machine can only use 12V battery ... , amplified in the car when, 12V battery should be connected at both ends, and the line-specific 4, the proposed load ... , when in the car speakerphone, 12V battery should be connected at both ends, and line-specific2, the proposed load 4-16 ...