Preference P-500XB 500W Class D Stereo Amplifier 135623673714 Manufacturer Tektronix Model Number P6330

Manufacturer Tektronix Model Number P6330 SKU 19-33441 Ref 23-43701

Manufacturer Bihl+Wiedeman Model Number BWU2267 SKU 19-72740 Ref 23-104298

Manufacturer HP / Agilent Model Number 11667A SKU 19-53286 Ref 23-109027

The unit powers on but makes a buzzing noise

Manufacturer K&S Part Number 33700-6005-000 SKU 19-12952 Ref 23-16947

Preference P-500XB 500W Class D Stereo Amplifier 135623673714 Manufacturer Tektronix Model Number P6330Condition Used Description This item is fully tested and in excellent working order. Item will come with a 30 Day Warranty. Cosmetically in good condition showing minor scuffs scratches blemishes from previous use. Includes Stereo Amplifier as pictured. No additional items or accessories are included. Unless pictured, no power adapter power cable included. Photos are of the actual unit for sale. Inventory is on hand and ready to ship. Please feel free