xDuoo X20 Digital Audio Player

Headphone Output (3.5 mm)

• Output power: 210 mW (32 ohms / THD+N <0.0015%)
• Frequency response: 20 Hz–20 kHz (+/- 0.15 dB)
• SNR: ≥ 114 dB
• Resolution: > 75 dB
• Distortion + noise: 0.0015% at 1 kHz (32 ohms at 1 kHz)

Balanced Headphone Output (2.5 mm)

• Output power: 210 mW (32 ohms / THD+N <0.0015%)
• Frequency response: 20 Hz–20 kHz (+/- 0.15 dB)
• SNR: ≥ 116 dB
• Resolution: > 112 dB
• Distortion + noise: 0.0015% at 1 kHz (32 ohms at 1 kHz)

Line Output

• Line output level: 1.7 Vrms (10 kohms at 1 kHz)
• Frequency response: 20 Hz–20 kHz (+/- 0.15 dB)
• SNR: ≥ 114 dB
• Resolution: > 108 dB (10 kohms at 1 kHz)
• Distortion + noise: 0.0012% at 1 kHz (10 kohms)

Additional Specs

• ESS9018K2M DAC chip
• OPA1612 operational amplifier chip
• Supports native DSD256, PCM 384 kHz / 32 bit
• Supports APE, AIFF, MP3, FLAC, ALAC, OGG, WAV, AAC, and WMA
• Fully balanced circuit design
• Dual oscillator
• 10 sections of custom EQ adjustment
• Supports 256GB TF card
• Bidirectional Bluetooth 4.1 with aptX support
• Hiby Link function
• Car Play mode
• CNC-machined aluminum with sand-blasted finish
• Battery: Built-in 2400mAh rechargeable lithium polymer
• Battery life: 8 hrs (3.5mm headphone out), 7 hrs (balanced headphone out)
• Charging time: < 3 hrs (DC 5V 2A), < 6 hrs (DC 5V 500mA)
• Dimensions: 4.3 x 2.2 x 0.7 in (110 x 56 x 16.6 mm)
• Weight: 4.9 oz (138 g)

• 2 screen protectors
• USB cable
• ⅛ in (3.5 mm) audio recording line
• User manual
• Warranty card
• Manufacturer’s 1-year warranty