Details：

Output: 600W, 2.0 stereo

Main power supply: dual DC +/-28V--86V

Transformer：above 600W

Frequency: 20Hz-148KHz

Protection power supply: AC 12V-18V

PCB Size: 110 x 200mm, plate thickness 1.6mm, color blue

Matching speaker: 6.5 inch - 15 inch speaker

Speaker impedance: 4-8 ohms

Power board category: class AB

1: 85 degrees automatic overheating protection
2: Double short circuit protection
3: Automatic variable speed fan work
4: Left and right balance power supply
5: Stored energy makes the low frequency more shocking
6: Speaker protection and delay protection
7: Constant current amplification makes the sound durable
8: Use the same material, the sound is delicate and sweet
9: Differential amplified sound is soft and pure
10: Accurately guarantee voltage and current

Package included：

Amplifier board pcb x 1

Not included any parts ！

Note：

WK15038 =2SC4793

WY15039 =2SA1837

WK5688-480 = 5200 or MJL4281A NPN

WY2963-480=1943 or MJL4302A PNP