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MiniDSP 2x4 HD USB DCA Digital Signal Processor
miniDSP-2x4-HD
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miniDSP 2x4 HD Boxed USB DAC Digital Signal Processor
MiniDSP 2x4 HD, a USB DAC+DSP in a low cost package powered by a powerful Sharc 400MHz floating point DSP
Highlights
- ADSP21489 400MHz Sharc DSP floating point engine
- XMOS Xcore200 for USB control and bidirectional audio streaming
- 24 bit ADC/DAC resolution
- Unbalanced inputs switchable with a jumper between 4Vrms and 2Vrms
- Toslink digital input
- Unbalanced outputs: Max 2Vrms
- USB Audio Class 2 Bidirectional streaming with ASIO drivers, driverless under MAC OSx
- 4 preset configuration, recallable via IR, Software
- Plug&Play USB driver and real time Software configuration using miniDSP plug-ins
- Device does not required a PC once configured
- External single 12V supply
- coupon for one free Plug-In download
Product Details
miniDSP 2x4 HD Boxed USB DAC Digital Signal Processor
Tip: Take a look at the table in this blogpost to see which power supply to choose for this product.
Introducing the long-awaited “reboot” of miniDSP’s best-selling 2x4 digital audio processor: the miniDSP 2x4 HD! This tiny powerhouse is jam-packed with miniDSP’s tried and proven audio processing functionality: flexible para-metric EQ, Butterworth and Linkwitz-Riley crossovers, advanced biquad pro-gramming, and delay on each output channel. miniDSP’s “one hardware many plugins” concept allows for many interesting future applications!
The upgraded on-board 400 MHz Analog Devices SHARC processor also ena-bles substantial processing upgrades previously available only on more ex-pensive platforms, such as 96 kHz internal processing for true high-resolution audio capability and assignable FIR filter taps for sophisticated equalization, crossover, and room correction capabilities. All to be accessed and programmed with miniDSP’s easy-to-use interface software.
I/O capabilities get an upgrade too, with the addition of USB audio streaming up to 192 kHz and a TOSLINK digital input. The miniDSP 2x4 HD will find application in full-sized hifi and home theater systems, on desktops, in cars, in recording studios — anywhere a compact, simple, yet surprisingly powerful DSP audio processor is needed.
System Diagram
Comparing features
miniDSP 2x4 | miniDSP 2x4 HD |
28/56bit Fixed point DSP Engine | ADSP12489 400MHz Sharc floating point DSP |
24 bit ADC/DAC resolution | 24 bit ADC/DAC resolution |
Unbalanced analog audio inputs switchable with a jumper between 0.9Vrms and 2Vrms | Unbalanced analog audio inputs switchable with a jumper between 4Vrms and 2Vrms |
Digital I/O: I2S in/out | Digital I/O: USB audio I/O, Toslink input (44.1~192kHz), I2S I/O (not enabled yet) |
Unbalanced analog audio outputs: Max 0.9Vrms | Unbalanced analog audio outputs: Max 2Vrms |
Plug&Play USB driver and real time Software configuration using miniDSP plug-ins | Plug&Play USB driver and real time Software configuration using miniDSP plug-ins |
N/A
| Asynchronous USB Audio Class 2 Bidirectional streaming with ASIO drivers under Windows, driverless under MAC OSx |
Device does not required a PC once configured | Device does not required a PC once configured |
Software: miniDSP 2x4 plug-ins | Software: miniDSP 2x4 HD1 plug-in |
Control: Volume control by potentiometer on 3pin header | IR remote + multicolor LED for preset indication |
USB self powered device and wide range of DC power options (4.5 to 24VDC) | External single 12V supply (UK/EU/US/AU adaptors provided) |
PRODUCT SPECIFICATIONS
Item | Description |
Digital Signal Processor | 32-bit Floating point Analog Devices SHARC ADSP21489 / 400 MHz |
Control
| Driverless USB 2.0 control interface for Windows/Mac OS X environments A computer is only required for the initial configuration and for USB audio streaming |
USB audio input
| XMOS asynchronous USB audio up to 192 kHz, USB Audio Class 2 compliant · ASIO drivers for Windows · Driverless for Mac OS X |
Digital audio input
| TOSLINK optical input. The input signal is processed by a high quality onboard Asynchronous Sample Rate Converter for compatibility with most common sample rates (20–216kHz) |
Analog audio Input
| Unbalanced stereo (2 channels) analog audio on RCA connectors - Max input of 4V or 2V RMS, jumper - selectable - Input impedance: 10kΩ - THD+N: 0.003% (RCA to USB) - Dynamic range: 103dB |
Analog audio outputs
| Unbalanced analog audio (4 channels) on RCA connectors - Max output: 2V RMS - Output impedance: 560Ω - THD+N: 0.001% (USB to RCA) - Dynamic range: 103dB |
FIR capabilities
| FIR filtering with number of taps assignable to each output channel. FIR filters are designed by third-party programs. FIR file format: IEEE 754 single-precision binary floating-point. |
Filter storage | Four on-board presets, selectable by remote control |
Infrared remote contro | Learning remote feature for input selection, volume, mute, and preset recall |
ADC/DAC Sample rate & Resolution
| Resolution: 24 bit Sample rate: Depending on plugin selected |
USB port | USB port type Mini-B for audio streaming, real time control and firmware upgrade |
Power supply | 12 VDC single supply / 2.1 mm round plug / 2.5W |
Dimensions (H x W x D) mm | 27 x 119 x 107 mm |
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