*Shipping time – 2-3 weeks. “GHXAMP Stereo Audio Mixer Board 4 Way Input Mixing 1 way Audio output Drive Headphones Amplifier NJM3414 Four Input one output” has been added to your cart. Continue shopping Product Price Quantity Total GHXAMP Stereo Audio Mixer Board 4 Way Input Mixing 1 way Audio output Drive Headphones Amplifier NJM3414 Four Input one output BRL R$113.90 BRL R$113.90 × Continue Shopping Cart Totals Subtotal BRL R$113.90 Shipping Flat rate: BRL R$36.11 Estimate for AB. Total BRL R$150.01 Proceed to checkout Coupon