SR5 - Audison 5-Channel 540W Power Amplifier with Crossover

5 Ch 55W x 4 (4-Ohm) + 185W x 1 (4-Ohm) |5 Ch 50W x 4 (4-Ohm) + 300W x 1 (2-Ohm) | 3 Ch 150W x 2 (4-Ohm) + 160W x 1 (4-Ohm) Remote IN voltage: 7÷15 VDC (1 mA) | Remote OUT voltage: 11÷15 VDC (15 mA) | Max Musical Power: 42 A Input sensitivity (PRE IN): 0.3 ÷ 5 VRMS | Input sensitivity (Speaker In): 1 ÷ 15 VRMS Input impedance (PRE IN): 15 kΩ | Input impedance (Speaker In): 100 Ω Load impedance (Min): 5 Ch 4 x 2 Ω + 1 x 2 Ω | 3 Ch 2 x 4 Ω + 1 x 2 Ω This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement