The HA1366W and HA1366WR is a class-B power amplifier designed especially for car radios and car stereo amplifiers encapsulated in a plastic single-in-line package and is capable of driving low impedance loads down to 2 ohms.
The HA1366W and HA1366WR provides an output power of 5.5 watts to 4 ohms load with 10 percent distortion at 13.2 volts, and also 6.6 watts to 4 ohms load with 10 percent distortion at 14.4 volts.
It exhibits output current capability of up to 4.5 amperes, very low harmonic distortion, and cross-over distortion.