On the front of the unit, the volume knob (which operates on the analog signal and also turns the power on and off) is joined by two outputs. DSD signals are directly converted to analog. The two analog signals are then summed and sent to the amp section. 1: When the hip-dac receives PCM data, the six most significant bits are directly converted to analog, while the lower bits are first converted to DSD before being converted to analog. DSD signals are converted to analog in their entirety before passing through the low-pass filter and on to the amp stage (see Fig. After passing through a lowpass filter, the low-bit signal is combined with the high-bit signal and sent to the amp stage. With PCM data, the six most significant bits are converted to analog in the conventional manner, while the lower bits are converted to DSD before being converted to analog.
SUBLIME PORTABLE PRO
Users can even experiment with different digital filters, such as the GTO filter from the company’s high-end Pro iDSD DAC/amp. The clock is also applied to the Master Control Unit and custom-programmed XMOS processing chip, which can be updated with new firmware. To use USB power, connect the hip-dac to the source first, then turn on its power to use battery power, turn it on before connecting it to the source device.ĭigital audio enters the hip-dac through the asynchronous USB Type A port regulated by iFi’s precision global clock system, which effectively eliminates any jitter.
SUBLIME PORTABLE MANUAL
The manual recommends using battery power with iOS and Android devices, which don’t have enough juice to power the unit. In addition to the battery, the hip-dac can be powered directly from the USB port on a computer.
The rear of the unit holds a USB-A female connector for audio (and power from a computer) and a USB-C port for charging its internal battery. The hefty 2200mAh battery is rated to last around eight to 12 hours, depending on the volume level and how power-hungry the headphones are. The other port on the back is USB-C for charging the battery, and the hip-dac comes with a USB-A-to-USB-C cable to plug it into a USB charger. I wish the hip-dac came with one, but I suppose that could be an Apple licensing issue. You need an Apple Lightning-to-USB Camera Adaptor cable (sold separately) to connect an iOS device. The hip-dac comes with a short USB-Male-to-USB-Female cord for connecting to a computer as well as a short USB-C-to-USB-Female cord for connecting to an Android device.
According to iFi, this provides greater mechanical integrity than the typical female USB connector or Mini/Micro-USB ports found on many such products.
Interestingly, this port is a male connector with some space around it. The larger USB 3.0 Type A port connects to the source device and accepts a digital-audio signal. The front of the iFi hip-dac includes (L-R) the PowerMatch button, XBass button, volume/power knob, 4.4mm balanced output, and 3.5mm single-ended output.
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