Fosi audio m03 is one hi-fi subwoofer amplifier, there uses it effective tpa3255d2-chip past, the laws supplies one maximum output on up to 200 watts With 150 watts rms by 4 ohm past, the laws 120 watts by 8 ohm. This amplifier is suitable to both bookshelf speakers past, the laws Brand: Fosi Audio Shipping Cost: 39,00 kr. Delivery Time: 2-12 hverdage