Hi-Res Bluetooth 5.0 with LDAC – The DX3Pro features Bluetooth 5.0 with LDAC and ES9038Q2M DAC, supporting AAC, APTX, and more for Hi-Res wireless sound in any stereo setup It pairs with high sensitivity IEMs and power hungry high impedance headphones nicely. Pre-amplifier function :Adapt to different usage scenarios, DX3 Pro+ has 4 output modes: Headphone Amp, Headphone Amp+ Line out, DAC, and Pre amplifier. NFCA circuit :The new DX3 Pro+ has the NFCA circuit optimized for this unit, giving the ultra low noise and distortion. Bluetooth LDAC Audio Decoder TOPPING DX3Pro Audio DAC ES9038Q2M DSD512 PCM768KHZ Bluetooth 5.0 LDAC USB Decoder XMOS Headphone Amplifier 3.5mm RCA Output Pre-amplifier DAC Topping DX3 Pro features a premium XMOS XU208 USB processor that provides high-resolution PCM and DSD decoding. It supports 32-Bit/768kHz and native DSD512... When used with DX3 Pro+, the TRS balanced input can be used to input other audio sources. To get even better sound quality from Bluetooth, we abandon the built-in DAC of QCC5125 and connect its digital signal to ES9038Q2M to decode. Topping DX3 Pro | Silver | HL01859.SILVER The output power of 80W x 2@4Ω, 10%THD+N, 65W X 2@4Ω, 1%THD+N can be adapted to most situations where speakers are used.