![](/media/product/c5d/images/2018-11-14.18-32-05.2018_c5d_hero.jpg)
Retired
Amps + DACs
C5D Amplifier+DAC
This product has been discontinued.
- Covered by our 2-year transferable warranty
SUPPORTS IPHONE, IPAD, WINDOWS, LINUX, AND OS X
C5D is built for portable users who demand maximum audio quality, exceptionally low noise, sufficient output power, and a super fine volume control to handle sensitive headphones and IEMs
Gallery
![C5D - Front](/media/product/c5d/images/2018-11-16.05-10-32.c5d-front-black.jpg)
![C5D - Top](/media/product/c5d/images/2018-11-16.05-10-32.c5d-top-down-black-engraving.jpg)
![C5D - Angle](/media/product/c5d/images/2018-11-16.05-10-32.c5-iso-black-gallery.jpg)
![C5D - Back](/media/product/c5d/images/2018-11-16.05-10-32.c5d-back-black.jpg)
Features
![](/media/product/c5d/feature-icons/2018-11-14.19-02-11.jds_allfeatures_icon_channel_balance.jpg)
PERFECT CHANNEL BALANCE
Digital stepped attenuation with zero-crossing detection and 1dB attenuation steps provide smooth volume adjustment at all volume levels, even with sensitive IEMs.
![](/media/product/c5d/feature-icons/2018-11-14.19-02-11.jds_allfeatures_icon_thd-n.jpg)
DUAL LDO REGULATION
High performance audio starts with clean power. Supply rails are filtered by impressive TPS7A4700 and TPS7A3301 regulators to achieve ultra low supply noise at a constant output voltage of +/-7V.
![](/media/product/c5d/feature-icons/2018-11-14.19-02-11.jds_allfeatures_icon_usb_charging.jpg)
SMART USB CHARGING
Powered by a large 1200mAh Li-Ion battery, C5D quickly charges from any USB port (computer, tablet charger, cell phone charger, etc.). A single LED indicates battery status: solid green while on, blinking while battery is low, or blue while charging.
![](/media/product/c5d/feature-icons/2018-11-14.19-02-11.jds_allfeatures_icon_configurable_sound.jpg)
CONFIGURABLE SOUND
C5D features dual gain levels and a multi-position bass boost toggle for highly customizable sound.
![](/media/product/c5d/feature-icons/2018-11-14.19-02-11.jds_allfeatures_icon_low_jitter.jpg)
LOW JITTER
C5D's asynchronous PCM5102A DAC operates with ultra low jitter, symmetrical pairs measuring below -112dB.
![](/media/product/c5d/feature-icons/2018-11-14.19-02-11.jds_allfeatures_icon_output_impedance.jpg)
LOW OUTPUT IMPEDANCE
C5D's extremely low output impedance of 0.62 ohms ensures natural frequency response with all headphones.
Specifications
Performance
- Frequency Response +/- 0.1 dB (20Hz-20kHz)
- THD+N (20-20kHz, 150 Ω) 0.0015%
- THD+N (20-20kHz, 32 Ω) 0.0045%
- Noise -105 dBu
- Crosstalk @ 150 Ω -67 dB
- Inter-channel Phase @ 1kHz +/- 0.01 °
- Channel Balance +/- 0.55 dB, all volume positions
- Max Output @ 600Ω 4.146 VRMS
- Max Output @ 150Ω Max Output @ 150Ω
- Max Output @ 32Ω 1.182 VRMS
- Power Supply 14.0 Vpp
- Output Impedance 0.62 Ω
- Battery Run Time 6-8 Hours*
- Charge Time Charge Time
DAC Performance
- Frequency Response +/- 0.14 dB
- THD+N 100 Hz 0.0014%
- THD+N 20 Hz 0.0015%
- THD+N 10 kHz 0.0025%
- IMD CCIF 19/20 Khz 0.0015%
- Noise A-Weighted -103 dBu
- Dynamic Range > 109 dB A-Weighted
- Linearity Error -90 dBFS 24/96 0.2 dB
- Crosstalk -10dBFS -80 dB
- Sum of Jitter Components @ 11025 Hz -112 dB
- PCB Stackup 4 Layers
- Maximum Output Line Out 100K 2.0 VRMS
Dimensions
- Case Dimensions (mm) 99.5 x 61.5 x 14.0
- Weight 4.2oz
Data Support
- Audio Formats 16/44, 16/48, 16/88, 16/96, 24/44, 24/48, 24/88, 24/96
- Interface USB, Audio Class 1
- Native Driver OS Support Windows XP & Later, OS X x86, Linux, iOS 7
Connectivity
- Analog Input 3.5mm
- Digital Input USB
- Output 3.5mm
- Charging USB
Packaged Items
- C5D Amplifier+DAC
- USB 2.0 Mini B Cable
- Rubber Bumper Feet