&#127822[Updated Version] UPDATED on 25 April 2018. The new version adopts 2 pcs TI TPA3116 chips which has stable and reliable quality and can provide 100W *2 RMS output power. Really clean sound quality. The old version may stop working after 3 weeks use, please contact us at customer@fosiaudioshop.com for exchange if you received the old version. Bluetooth 4.2 core, up to 33ft connection range guarantees low signal delay. No pop, no audible noise when Bluetooth connection is established; 100W RMS X 2(4 ohms, 20 Hz - 20 kHz, 0.04% THD), comes with 19V power supply, can drive 280watts(8 ohm), 320watts(4 ohm) speakers;

World's First aptX HD in Both TX & RX Mode: Powered by premium CSR8675 chipset, CHGeek Bluetooth adapter supports the latest Bluetooth V5.0, transmits data twice as fast as Bluetooth 4.2 and provides an incredibly Stable Connection at distances over 33 ft. (10 M). With aptX HD, it streams CD-quality sound wirelessly over Bluetooth connections. Real-Time Audio Transmission: CHGeek Bluetooth transceiver adopt the aptX Low Latency Technology in both TX & RX modes, which can reduce audio lag under 40ms and let you enjoy high-quality audio in sync with the picture (Your Bluetooth headphones or speaker must also support aptX LL / aptX as well.) Long Battery Life: Internal battery provides Bluetooth adapter for more than 24 HOURS of use after 3 hours charging time. It also supports charging and streaming simultaneously.