SOLD! Now that Vegan has sold his, I will shamelessly steal his ad copy to sell mine! Up for sale is my Acoustic Image Focus SA. This is a VERY powerful & VERY light poweramp. It weighs 3.5LBS and puts out 600w at 4 ohms. This is a series II Focus SA. Its in excellent condition and is loud as hell. I never had to push it hard. Features: * Extended Frequency Range, High Fidelity Sound * Compact Enclosure (10x6.5x3.1 inches) * Light Weight (3.5 pounds) * Power Amplifier * Master Level Control * Combo jack Input accepts XLR or 1/4" input * 5K Impedance Input * Signal level for full power output: 250 mV, rms ("instrument level") * AC Power On/Off switch * Switchable Dual Voltage Operation (115/230V) * Speaker Outputs via two Neutrik Speakon Connector * Detachable AC Input Connector * Durable Powder-coated Aluminum Enclosure * Carrying case (has torn zipper but still functional) * Ten ft. Speakon to 1/4 cable included. SPECIFICATIONS: * Frequency Response: 20 Hz - 20 kHz, � 0.5 dB * Distortion: <0.5% full output, <0.01% typical * Hum and Noise: -85 dB or better * Preamp: * Topology: Class D, (PWM) * Switching Frequency: 280 kHz * Output Power: 600 watts @ 4 ohms, 350 Watts @ 8 ohms * Minimum Load: 4 ohms $550 Shipped, Paypal and insured to CONUS.