View tda7385 datasheet:

TDA7385 ® 4 x 30W QUAD BRIDGE CAR RADIO AMPLIFIER HIGH OUTPUT POWER CAPABILITY: 4 x 35W/4? MAX. 4 x 30W/4? EIAJ 4 x 22W/4? @ 14.4V, 1KHz, 10% 4 x 18.5W/4? @ 13.2V, 1KHz, 10% CLIPPING DETECTOR LOW DISTORTION FLEXIWATT25 LOW OUTPUT NOISE ST-BY FUNCTION ORDERING NUMBER: TDA7385 MUTE FUNCTION AUTOMUTE AT MIN. SUPPLY VOLTAGE DE- ACROSS THE LOAD TECTION VERY INDUCTIVE LOADS DIAGNOSTICS FACILITY FOR: OVERRATING CHIP TEMPERATURE WITH – CLIPPING SOFT THERMAL LIMITER – OUT TO GND SHORT LOAD DUMP VOLTAGE – OUT TO V SHORT S FORTUITOUS OPEN GND – THERMAL SHUTDOWN REVERSED BATTERY LOW EXTERNAL COMPONENT COUNT: – INTERNALLY FIXED GAIN (26dB) ESD PROTECTION – NO EXTERNAL COMPENSATION – NO BOOTSTRAP CAPACITORS DESCRIPTION PROTECTIONS: The TDA7385 is a new technology clas