Cayin BTC-2 Hi-Res Bluetooth DAC/Amp

General

• Cayin
• DAC: ES9018K2M
• Bluetooth chip: Qualcomm QCC5125
• Op-amp chip: OPA1652
• Amp chip: RT6863
• Display: 1.7 in 128 x 32 OLED
• Decoding resolution: 192 kHz, 24 bit (SPIDF), 96 kHz, 24 bit (Bluetooth)
• Bluetooth version: 5.1
• Bluetooth codecs supported: LDAC, aptX HD, aptX LL, aptX, AAC, SBC
• Removable SMA stick antenna
• Input: Line RCA, SPIDF RCA, and Bluetooth
• Output: Balanced and unbalanced headphone, line out (RCA), and digital out (SPIDF)
• Power input: USB-C 5V/1A
• Dimensions: 6.6 x 6.6 x 1.6 in (16.8 x 16.7 x 4 cm)
• Weight: 1.65 lbs (0.75 kg)

Single-ended headphone output (32 ohms)

• Power rating: 190 mW x 2
• Input sensitivity: 2V
• THD+N: As low as 0.0013%
• SNR: Up to 121 dB
• Dynamic range: Up to 121 dB
• Frequency response: As wide as 10 Hz – 80 kHz
• Channel separation: 68 dB
• Output impedance: 0.5 ohms

Balanced headphone output (32 ohms)

• Power rating: 280 mW x 2
• Input sensitivity: 1.3V
• THD+N: As low as 0.0023%
• SNR: Up to 117 dB
• Dynamic range: Up to 117 dB
• Frequency response: As wide as 10 Hz – 80 kHz
• Channel separation: Up to 114 dB
• Output impedance: 1 ohm

Line out (47 kOhms)

• Output voltage: 2.1V
• THD+N: As low as 0.00034%
• SNR: Up to 129 dB
• Dynamic range: Up to 129 dB
• Frequency response: As wide as 10 Hz – 80 kHz
• Channel separation: Up to 122 dB
• Output impedance: 110 ohms

Digital output

• Output impedance: 75 ohms
• Output level: 0.5Vp