Pyle Rack Mount Studio Pre-Amplifier $37 at Electronics.woot! $37 $85 Ends 2/29 at 10PM PT. Electronics.woot! has the Pyle Rack Mount Studio Pre-Amplifier (PPRE70BT) on sale for $37 with free shipping with Amazon Prime, otherwise $6. Built-in Bluetooth (25ft), includes remote control. $37 retail: $85 Report Posted by Faraday02/04/2024 at 05:19 AM PT