Digital Processor Reviews

ZEN DAC SIGNATURE V2: Description: Digital-to-analog converter with XMOS 16-core processor and fully balanced dual-mono circuitry; DAC: Burr-Brown Bit-Perfect DSD & DXD DAC. Input: USB 3.0 (USB 2.0 compatible); Input voltage: DC 5V/2.5A (external power supply included); Outputs: Balanced 4.4mm, 2V/6.2V max. variable, 4.2V fixed; Unbalanced RCA, 1V/3.3V max. variable, 2.1V fixed. Formats: PCM 44.1/48/88.2/96/176.4/192/352.8/384kHz; DSD 2.8/3.1/5.6/6.2/11.2/12.4MHz; 353/384kHz DXD; MQA decoding and rendering. Analog volume potentiometer, volume fixed or variable. S/N ratio: <116dB(A) @ 0dBFS (Balanced/Unbalanced). THD: <0.00015% @ 0dBFS (Balanced/Unbalanced).
Dimensions: 6.2" (157mm) W × 1.4" (36mm) H × 4.6" (117mm) D. Weight: 1.11lb (505gm).

ZEN CAN SIGNATURE (HFM OR 6XX): Description: Headphone amplifier with fully balanced circuitry, analog volume control (9mm potentiometer), and EQ cor-rection optimized for HiFiMan 4XX or Sennheiser HD 6XX and HD 650 headphones. Analog inputs: 4.4mm Pentaconn balanced, 3.5mm single-ended RCA; Analog line outputs: 4.4mm Pentaconn balanced; Headphone outputs: 4.4mm balanced, 6.3mm single-ended. Frequency response: 10Hz–200kHz (–3dB). Gain: 0dB, 6dB, 12dB, 18dB. S/N ratio: Balanced >121dB (A-weighted @15.2V); Single-ended >120dB (A-weighted @ 7.6V). THD: Balanced <0.006% (@ 360mW/2.4V 16 ohms); Single-ended <0.005% (@ 100mW/1.27V 16 ohms). Input voltage: 5V/2.5A (power supply included). Max. output: Balanced >15.1V/385mW (@ 600 ohms), >11.0V/1890mW (@ 64 ohms), >6.2V/1200mW (@ 32 ohms); Single-ended >7.6V/98mW (@ 600 ohms), >7.4V/870mW (@ 64 ohms), >7.2V/1600mW (@ 32 ohms).
Dimensions: 6.2" (157mm) W × 1.4" (36mm) H × 4.6" (117mm) D. Weight: 1.21lb (550gm).

Serial numbers of units reviewed: ZEN CAN Signature HFM/6XX, 5312001087/5501000735; ZEN DAC Signature V2, 5320000008. Designed in the UK and assembled in China.
Price: ZEN CAN Signature Set (HFM or 6XX) $599; iEMatch $49. Approximate number of US dealers: 43 B&M plus several online. Warranty: 12 months.
Manufacturer: AMR/iFi Audio, Guildford, 79 Scarisbrick New Road Southport, England, PR8 6LJ Tel: +44 (0) 1704 543 858 US office: 105 Professional Pkwy. Suite 1506. Yorktown, VA 23693. Tel: (800) 799-IFIA. (4342) Web:ifi-audio.com