Monoprice 25-Watt Stereo Hybrid Tube Amplifier w/ Bluetooth $59.99 + Free Shipping Thumb Score: 0 Monoprice [monoprice.com] has Monoprice 25-Watt Stereo Hybrid Tube Amplifier w/ Bluetooth, Optical, Coaxial, USB Inputs & Subwoofer Out Port on sale for $ 59.99. Shipping is free. Slickdeals Hot Deals Forum