FiiO BTR7 Headphone Amp Bluetooth Receiver High-Resolution Portable DAC

In-Vehicle Mode: It can automatically turns on and off with your car when you use it on your car at your headphone amps Powerful Battery Life: As a multifunctional Bluetooth amplifier, the BTR7 Bluetooth amplifier needs plenty of battery power when used throughout the day. Not only has the battery capacity been increased to 880mAh, but both wired and wireless charging supports allow you to charge in more scenarios THX AAA Headphone Amplifier: The BTR7 headphone amps are the first portable Bluetooth amplifier to utilize 2 of the THX AAA-28 amplifiers. The FiiO R&D team had a breakthrough and was able to fit 4 channels of the THX AAA amplifiers into a compact body for a fully balanced audio design – resulting in 88% more single-ended power output and 30% more balanced power output compared to previous designs High-Performance DAC: With high-performance DAC ES9219C*2, you can control the power of sound, and it is into music paradise Support MQA: When used for USB Audio, the BTR7 headphone amps rely on the XMOS XUF208 chip to receive and decode audio data streams, with support up to PCM 384kHz and native DSD256. In USB DAC mode and with an MQA player, up to MQA 8x rendering is supported