This product is kit (parts): can be used after the buyer to welding.
Dual 4.5 Dual 9V power supply available, it is recommended to use a 9V battery through a "virtual ground circuit" partial pressure of dual power.
Warm Reminder: if you need "Headphone Power Board" , please you buy it in :
Dual power connection Description:
V +: positive then the power level, V-: take the power of negative level, GND: Power ground connection
Signal input IN, the output OUT:
L: Left left, R: Right right, G (GND): ground
Parts list:
PCB SIZE: 31 * 49MM 1
Resistance DALE 100K 2
Resistance DALE 4K64 2
Resistance DALE 10K 2
Resistors KOA 47R 4
Capacitance 50V 104 (0.1) monolithic 2
Electrolytic ELNA 470uf 2
Electrolytic ELNA 0.47uf 2
Taiwanese gilded IC Block 2
3.5mm socket 2
2-core shielded cable 0.5m 1
TI NE5532P 2
Buffer op amp U1, U2 op amp amplification. (1 IC is responsible for two-channel, that is, only with U1 can also be loud)
Electrolysis brands: ELNA, SAMWHA, OST, nichicon, Delivery at random.