SPECS DAC Section Massdrop x Grace Design DAC chip: AKM AK4452 Audio formats: Up to 24 bit/96 kHz Frequency response, 20Hz–20 kHz: +/-0.02 dB THD+N at 20 Hz -0.15 dBFS: 0.0013% THD+N at 100 Hz, -0.15 dBFS: 0.0013% THD+N at 10 kHz, -0.15 dBFS: 0.0024% IMD CCIF, -6.03 dBFS, 19/20kHz, 24/96k: 0.0005% IMD SMPTE -6 dBFS, 24/96k: 0.0015% Noise, A-weighted: -105 dBu Dynamic range, A-weighted: >114 dB Linearity, -90 dBFS: -0.07 dB Crosstalk at 1 kHz, -10 dBFS (3.5mm jack): -102 dB Sum of jitter components at 11,025 Hz, -1 dBFS: -133 dB Maximum output: 2.15VRMS USB controller: XMOS XU208-128-TQ64 Inputs: USB micro Output: RCA Power: USB Class 1 (no drivers required for Windows, Mac, or Linux) Amp Section Input: RCA, SDAC (when powered) Output: 6.35 mm Power: AC adapter included (purchase separately: plug adapter for your country’s outlet) Gain: 1.0x and 3.3x Frequency response: +/-0.1 dB (20 Hz–20 kHz) THD (1 kHz, 150 ohms): 0.0016% IMD CCIF (15 ohms): 0.001% IMD SMPTE: 0.002% Noise (ref 400 mV): -105 dB Max output (33 ohms): 613 mW Max output (150 ohms): 355 mW Max output (600 ohms): 88 mW Output impedance: 0.54 ohms Crosstalk (15 ohms): -65 dB Channel balance (50% volume): 0.6 dB Physical Front ¼ in (6.35 mm) output Rear RCA input/output Rear microUSB Rear power Chassis material: Anodized aluminum Case dimensions: 4.12 x 3.87 x 1.12 in (10.46 x 9.82 x 2.85 cm) Weight: 9.28 oz (263 g)

Grace X Design Massdrop SDAC DAC Digital Audio Converter USB RCA. Excellent Condition. Barely used. Includes USB cord. Comes with original boxes.

SPECS DAC Section Massdrop xGrace Design DAC chip: AKM AK4452 Audio formats: Up to 24 bit/96 kHz Frequency response, 20Hz20 kHz: +/-0.02 dB THD+N at 20 Hz -0.15 dBFS: 0.0013% THD+N at 100 Hz, -0.15 dBFS: 0.0013% THD+N at 10 kHz, -0.15 dBFS: 0.0024% IMD CCIF, -6.03 dBFS, 19/20kHz, 24/96k: 0.0005% IMD SMPTE -6 dBFS, 24/96k: 0.0015% Noise, A-weighted: -105 dBu Dynamic range, A-weighted: >114 dB Linearity, -90 dBFS: -0.07 dB Crosstalk at 1 kHz, -10 dBFS (3.5mm jack): -102 dB Sum of jitter components at 11,025 Hz, -1 dBFS: -133 dB Maximum output: 2.15VRMS USB controller: XMOS XU208-128-TQ64 Inputs: USB micro Output: RCA Power: USB Class 1 (no drivers required for Windows, Mac, or Linux) Amp Section Input: RCA, SDAC (when powered) Output: 6.35 mm Power: AC adapter included(purchase separately: plug adapter for your countrys outlet) Gain: 1.0x and 3.3x Frequency response: +/-0.1 dB (20 Hz20 kHz) THD (1 kHz, 150 ohms): 0.0016% IMD CCIF (15 ohms): 0.001% IMD SMPTE: 0.002% Noise (ref 400 mV): -105 dB Max output (33 ohms): 613 mW Max output (150 ohms): 355 mW Max output (600 ohms): 88 mW Output impedance: 0.54 ohms Crosstalk (15 ohms): -65 dB Channel balance (50% volume): 0.6 dB Physical Front in (6.35 mm)output Rear RCA input/output Rear microUSB Rear power Chassis material: Anodized aluminum Case dimensions: 4.12 x 3.87 x 1.12 in (10.46 x 9.82 x 2.85 cm) Weight: 9.28 oz (263 g)

SPECS DAC Section Massdrop x Grace Design DAC chip: AKM AK4452 Audio formats: Up to 24 bit/96 kHz Frequency response, 20Hz–20 kHz: +/-0.02 dB THD+N at 20 Hz -0.15 dBFS: 0.0013% THD+N at 100 Hz, -0.15 dBFS: 0.0013% THD+N at 10 kHz, -0.15 dBFS: 0.0024% IMD CCIF, -6.03 dBFS, 19/20kHz, 24/96k: 0.0005% IMD SMPTE -6 dBFS, 24/96k: 0.0015% Noise, A-weighted: -105 dBu Dynamic range, A-weighted: >114 dB Linearity, -90 dBFS: -0.07 dB Crosstalk at 1 kHz, -10 dBFS (3.5mm jack): -102 dB Sum of jitter components at 11,025 Hz, -1 dBFS: -133 dB Maximum output: 2.15VRMS USB controller: XMOS XU208-128-TQ64 Inputs: USB micro Output: RCA Power: USB Class 1 (no drivers required for Windows, Mac, or Linux) Amp Section Input: RCA, SDAC (when powered) Output: 6.35 mm Power: AC adapter included (purchase separately: plug adapter for your country’s outlet) Gain: 1.0x and 3.3x Frequency response: +/-0.1 dB (20 Hz–20 kHz) THD (1 kHz, 150 ohms): 0.0016% IMD CCIF (15 ohms): 0.001% IMD SMPTE: 0.002% Noise (ref 400 mV): -105 dB Max output (33 ohms): 613 mW Max output (150 ohms): 355 mW Max output (600 ohms): 88 mW Output impedance: 0.54 ohms Crosstalk (15 ohms): -65 dB Channel balance (50% volume): 0.6 dB Physical Front ¼ in (6.35 mm) output Rear RCA input/output Rear microUSB Rear power Chassis material: Anodized aluminum Case dimensions: 4.12 x 3.87 x 1.12 in (10.46 x 9.82 x 2.85 cm) Weight: 9.28 oz (263 g)

SPECS DAC Section Massdrop xGrace Design DAC chip: AKM AK4452 Audio formats: Up to 24 bit/96 kHz Frequency response, 20Hz20 kHz: +/-0.02 dB THD+N at 20 Hz -0.15 dBFS: 0.0013% THD+N at 100 Hz, -0.15 dBFS: 0.0013% THD+N at 10 kHz, -0.15 dBFS: 0.0024% IMD CCIF, -6.03 dBFS, 19/20kHz, 24/96k: 0.0005% IMD SMPTE -6 dBFS, 24/96k: 0.0015% Noise, A-weighted: -105 dBu Dynamic range, A-weighted: >114 dB Linearity, -90 dBFS: -0.07 dB Crosstalk at 1 kHz, -10 dBFS (3.5mm jack): -102 dB Sum of jitter components at 11,025 Hz, -1 dBFS: -133 dB Maximum output: 2.15VRMS USB controller: XMOS XU208-128-TQ64 Inputs: USB micro Output: RCA Power: USB Class 1 (no drivers required for Windows, Mac, or Linux) Amp Section Input: RCA, SDAC (when powered) Output: 6.35 mm Power: AC adapter included(purchase separately: plug adapter for your countrys outlet) Gain: 1.0x and 3.3x Frequency response: +/-0.1 dB (20 Hz20 kHz) THD (1 kHz, 150 ohms): 0.0016% IMD CCIF (15 ohms): 0.001% IMD SMPTE: 0.002% Noise (ref 400 mV): -105 dB Max output (33 ohms): 613 mW Max output (150 ohms): 355 mW Max output (600 ohms): 88 mW Output impedance: 0.54 ohms Crosstalk (15 ohms): -65 dB Channel balance (50% volume): 0.6 dB Physical Front in (6.35 mm)output Rear RCA input/output Rear microUSB Rear power Chassis material: Anodized aluminum Case dimensions: 4.12 x 3.87 x 1.12 in (10.46 x 9.82 x 2.85 cm) Weight: 9.28 oz (263 g)

SPECS DAC Section Massdrop x Grace Design DAC chip: AKM AK4452 Audio formats: Up to 24 bit/96 kHz Frequency response, 20Hz–20 kHz: +/-0.02 dB THD+N at 20 Hz -0.15 dBFS: 0.0013% THD+N at 100 Hz, -0.15 dBFS: 0.0013% THD+N at 10 kHz, -0.15 dBFS: 0.0024% IMD CCIF, -6.03 dBFS, 19/20kHz, 24/96k: 0.0005% IMD SMPTE -6 dBFS, 24/96k: 0.0015% Noise, A-weighted: -105 dBu Dynamic range, A-weighted: >114 dB Linearity, -90 dBFS: -0.07 dB Crosstalk at 1 kHz, -10 dBFS (3.5mm jack): -102 dB Sum of jitter components at 11,025 Hz, -1 dBFS: -133 dB Maximum output: 2.15VRMS USB controller: XMOS XU208-128-TQ64 Inputs: USB micro Output: RCA Power: USB Class 1 (no drivers required for Windows, Mac, or Linux) Amp Section Input: RCA, SDAC (when powered) Output: 6.35 mm Power: AC adapter included (purchase separately: plug adapter for your country’s outlet) Gain: 1.0x and 3.3x Frequency response: +/-0.1 dB (20 Hz–20 kHz) THD (1 kHz, 150 ohms): 0.0016% IMD CCIF (15 ohms): 0.001% IMD SMPTE: 0.002% Noise (ref 400 mV): -105 dB Max output (33 ohms): 613 mW Max output (150 ohms): 355 mW Max output (600 ohms): 88 mW Output impedance: 0.54 ohms Crosstalk (15 ohms): -65 dB Channel balance (50% volume): 0.6 dB Physical Front ¼ in (6.35 mm) output Rear RCA input/output Rear microUSB Rear power Chassis material: Anodized aluminum Case dimensions: 4.12 x 3.87 x 1.12 in (10.46 x 9.82 x 2.85 cm) Weight: 9.28 oz (263 g)