Cheap And Discounts High-power Bluetooth Digital Amplifier 100V/70V/4-16Ω Home Subwoofer Stereo ClassD Hifi Power Audio Amp For Home Karaoke theater Wholesale. Buy Directly From Merchant JYSaudio Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.