The TDA1308 is an integrated class AB stereo headphone driver contained in an SO8 or a DIP8 plastic package.The device is fabricated in a 1 mm CMOS process and has been primarily developed for portable digital audio Wide temperature range .No switch ON/OFF clicks .Excellent power supply ripple rejection .Low power consumption .Short-circuit resistant High performance .High signal-to-noise ratio .High slew rate,low distortion .Large output voltage swing Working voltage:3V-6V color:red Material:metal + PC Package Contents: 15 x TDA1308 Headphone Amplifier Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.