iBasso D18 CROTALUS | Portable DAC and Amp

iBasso Returns with a New Transportable R2R DAC and Amp, the D18 CROTALUS

• Up to 1750mW Output Power with External Power Supply
• Internally Developed R2R DAC
• More Info Soon!

Specifications

General specifications

• Charging: USB-C at 5 V/2 A or DC at 12 V/1.5 A
• Chassis material: Aluminum alloy with a stainless steel rear panel
• DAC: Internally developed R2R Ultra
• Dimensions: 140.4 × 75.3 × 18.8 mm
• Display: 1.3-inch OLED
• Headphone outputs (PO): 3.5 mm single-ended (SE) and 4.4 mm balanced
• Line outputs (LO): 3.5 mm single-ended (SE) and 4.4 mm balanced
• Physical controls: Multifunction knob and power switch
• Weight: 271 g

Battery specifications

• Battery life: 9 hours
• Charging time: 2.5 hours

General audio specifications

• Native decoding via USB: PCM up to 768 kHz and DSD512
• Native decoding via coaxial input: PCM up to 768 kHz and DoP256
• Native decoding via optical input: PCM up to 192 kHz and DoP128

4.4 mm balanced headphone output specifications

• Output voltage at low gain: 4.2 V RMS
• Output voltage at medium gain: 6.2 V RMS
• Output voltage at high gain: 7.6 V RMS
• Maximum output power on battery: 1,530 mW into 32 Ω, high gain, distortion < 0.5%
• Maximum output power with an external 12 V DC power supply: 1,750 mW into 32 Ω, high gain, distortion < 0.5%
• THD+N: −95 dB (0.0017%) at 1 kHz; AES17–20K, A-weighted, 300 Ω load
• Dynamic range: 128 dB; AES17–20K, A-weighted
• Signal-to-noise ratio: 128 dB; AES17–20K, A-weighted
• Channel separation: 142 dB
• Frequency response: 10 Hz–40 kHz (−1 dB)
• Output impedance: 0.7 Ω
• Noise floor: 1.5 µV RMS

3.5 mm single-ended headphone output specifications

• Output voltage at low gain: 2.1 V RMS

• Output voltage at medium gain: 3.1 V RMS

• Output voltage at high gain: 3.8 V RMS

• Maximum output power on battery: 440 mW into 32 Ω, high gain, distortion < 0.003%

• Maximum output power with an external 12 V DC power supply: 440 mW into 32 Ω, high gain, distortion < 0.5%

• THD+N: −93 dB (0.002%) at 1 kHz; AES17–20K, A-weighted, 300 Ω load

• Dynamic range: 123 dB; AES17–20K, A-weighted

• Signal-to-noise ratio: 123 dB; AES17–20K, A-weighted

• Channel separation: 129 dB

• Frequency response: 10 Hz–40 kHz (−1 dB)