300W Air-Cooled Heavy 2.1 Subwoofer Power Amplifier Board

Description

• The circuit uses a total of 6 disassembly amplifier tubes, four of which are responsible for the left and right channels, and two are connected to the BTL circuit for ultra-bass use
• Board material: Five ring 1% metal film resistance, large filter capacitor
• The whole circuit board design is reasonable, beautiful and generous, noise is small, cost-effective, very suitable for DIY entry
• The potentiometers are from left to right: treble adjustment, ultra-bass volume, and total volume
• Operating voltage: AC double 18-22V (recommended double 22V)
• Maximum output power: Left and Right channel 100W*2, subwoofer 120W*1
• Output impedance: 4-16
• Size: 14.3*13.2*5.9cm
• 1 month warranty