Here's a B&K Components Reference 4420 Stereo Balance Amplfifier  (USA) Check both channel working good and sound good powerful. RCA and balance input 225 watt each channel. weight 43 lbs With the original box and looks like new. Please refer to pictures. Terms Shipping Package will be shipped via USPS Parcel. International shipments will be sent by eBay Global Shipping. Returns All sales final. These are vintage electronics there are no guarantees. Please look through pictures and ask questions before bidding. Thank you