Re-engraved Swiss FM 300A amplifier 150W*2 1:1 re-enacted original machine line high-end HiFi audio power amplifier - AliExpress
Premium Acoustic Guitar Pickup System With Piezo Transducers And Prewired Amplifier - Enhance Your Sound Quality And Performance With Output Jack - Ideal For Acoustic Guitar, Ukulele, And Box Guitar - Temu Switzerland
1:1 Refer to Swiss FM Acoustics 811 balanced rear amplifier 850W+850W 4Ω, 450W+450W 8Ω, 1500W+1500W 2Ω, 20HZ-60KHZ - AliExpress