YJCO DAC HiFi Bluetooth 5.4 DAC Headphone Amplifier All-in-One CS4398 Decoder QCC3084 Support LDAC AAC AptX HD Stereo Audio Amp

Package:Headphone Amplifier *1No Power Adapter IncludedInstructions:Equipped with the classic CS4398 DAC chip instead of the commonly seen ES9038q2m, this unit supports 24bit/192kHz high-resolution audio and delivers authentic analog sound. The CS4398 is widely adopted in professional studio decoders, proving its outstanding performance.Every component inside is top-grade. It features imported ALPS potentiometers, which cost 5 to 6 times more than ordinary domestic versions. They guarantee stable operation, long service life and excellent audio performance.Operating Instructions:1. This device operates on DC 12V power supply only. Do not apply other voltages.2. The signal indicator lights up when an audio signal is detected, meaning the unit is ready for playback. A dark indicator means no input signal is received.3. The headphone output delivers high power. Please turn down the volume before connecting headphones.Specificatons:Model: DAC A946Inputs: Coaxial (COAX), Optical (OPT), Bluetooth (BLUE)Outputs: 1 set of RCA, 1 x 6.35mm Headphone JackOperating Voltage: DC 12VStandby Power Consumption: 2.9WBluetooth Chipset: QCC3084Bluetooth Code Support: SBC / AAC / APTX / APTX-LL / APTX HD / LDAC16-24Bit, 44.1-96KHzUSB Support: 24bit / 96kHzSupported Formats: SBC / AAC / APTX / APTX-LL / LDAC16-24Bit, 44.1-96KHzCoaxial Input Specification: 16bit-24bit, 44.1kHz-192kHzOptical Input Specification: 16bit-24bit, 44.1kHz-96kHzHeadphone Amplifier Chip: TPA6120A2Max Headphone Output Power: 80mW @ 600Ω, 160mW @ 300Ω, 1500mW @ 32ΩTotal Harmonic Distortion (THD):RCA Output: Signal-to-Noise Ratio (SNR): 110dBFrequency Response: 20-20KHz @ 1kHz ±0.3dBPower Jack Specification: 5.5-2.5mm, Center Positive, Sleeve Negative (Inner Positive, Outer Negative)Product Dimensions: 105mm × 150mm × 34mmWeight: 410g