5 out of 5
miniDSP 2x4 HD USB DAC Digital Signal Processor
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Product Description
Manufacturer Part Number: miniDSP 2x4 HD
The miniDSP 2x4 HD digital signal processor is jam-packed with tried and proven audio processing functionality like flexible parametric EQ, Butterworth and Linkwitz-Riley crossovers, advanced biquad programming, and delay on each of the 4 output channels. Combined with plug-in software for programming, you can configure the on board audio processing filters in real time from a PC or Mac computer.
Key Features:
Overview:
miniDSP 2x4 HD USB DAC Digital Signal Processor
The miniDSP 2x4 HD is a pocket size Digital Signal Processor (DSP) with two analog inputs and four analog outputs. Typically connected between your analog source and a multi-channel amplifier, the embedded DSP algorithms allow for a wide range of tuning applications.
Whether its subwoofer tuning, multi-way crossover or even equalization of your stereo system, the 2x4 HD strength lies in its ease of use and flexibility. Based on a hardware plus software combination, you tune the system from user-friendly software on PC/Mac machine. The configuration from the driverless USB connection is live, real time and a one time requirement. All settings are automatically stored and reloaded at boot up.
Software plug-in (sold separately):
Thanks to tried and proven audio processing functionality like flexible parametric EQ, Butterworth and Linkwitz-Riley crossovers, advanced biquad programming, and delay on each output channel, the miniDSP 2x4 HD makes audio tuning easy.
Specifications: Digital signal processor: 32-bit floating point analog devices SHARC ADSP21489 / 400 MHz Internal processing resolutions and sample rate: 32 bit / up to 192 kHz Analog audio input/output: Unbalanced RCA Maximum input level: 2Vrms / 4Vrms (jumper-selectable) Maximum output level: 2Vrms Dynamic range: 103 dB Input impedance: 10 K ohms Output impedance: 560 ohms Power supply: 12 VDC single supply, 2.1 mm round plug, 2.5W Dimensions: 1.06" H x 4.67" W x 4.21" D.
Specification:
Manuals & Resources:
The miniDSP 2x4 HD digital signal processor is jam-packed with tried and proven audio processing functionality like flexible parametric EQ, Butterworth and Linkwitz-Riley crossovers, advanced biquad programming, and delay on each of the 4 output channels. Combined with plug-in software for programming, you can configure the on board audio processing filters in real time from a PC or Mac computer.
Key Features:
- Powerful Analog Devices SHARC ADSP21489 processor provides incredible flexibility
- Up to 192 kHz sampling rate, can handle even the highest resolution audio
- 12 VDC powered, can easily be used in car audio systems
- IR eye allows remote control for input selection, volume, and stored presets
- Plug and play USB driver and real time software configuration using miniDSP plug-ins
Overview:
miniDSP 2x4 HD USB DAC Digital Signal Processor
The miniDSP 2x4 HD is a pocket size Digital Signal Processor (DSP) with two analog inputs and four analog outputs. Typically connected between your analog source and a multi-channel amplifier, the embedded DSP algorithms allow for a wide range of tuning applications.
Whether its subwoofer tuning, multi-way crossover or even equalization of your stereo system, the 2x4 HD strength lies in its ease of use and flexibility. Based on a hardware plus software combination, you tune the system from user-friendly software on PC/Mac machine. The configuration from the driverless USB connection is live, real time and a one time requirement. All settings are automatically stored and reloaded at boot up.
Software plug-in (sold separately):
Thanks to tried and proven audio processing functionality like flexible parametric EQ, Butterworth and Linkwitz-Riley crossovers, advanced biquad programming, and delay on each output channel, the miniDSP 2x4 HD makes audio tuning easy.
Specifications: Digital signal processor: 32-bit floating point analog devices SHARC ADSP21489 / 400 MHz Internal processing resolutions and sample rate: 32 bit / up to 192 kHz Analog audio input/output: Unbalanced RCA Maximum input level: 2Vrms / 4Vrms (jumper-selectable) Maximum output level: 2Vrms Dynamic range: 103 dB Input impedance: 10 K ohms Output impedance: 560 ohms Power supply: 12 VDC single supply, 2.1 mm round plug, 2.5W Dimensions: 1.06" H x 4.67" W x 4.21" D.
Specification:
Product Details | |
|---|---|
| Brand | miniDSP |
| Model | miniDSP 2x4 HD |
| Part Number | 230-324 |
| UPC | 848864032870 |
| Unit of Measure | Each |
| Weight | 0.95 |
Manuals & Resources:
Attention CA Residents: Prop 65 Warning
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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Customer Reviews
By Daniel Alvarez
Date: November 07, 2025
Excelente
Rating: 
[5 of 5 Stars!]
[5 of 5 Stars!]
By A Customer
Date: April 25, 2025
Loved the configurability of this DSP and its resolution. It stores 4 presets users can switch between either online or using the provided IR remote. The configurations can be done on a connected laptop usb connection and it has multiple items. To writ, input master volume, throgh analog [rca], toslink, or usb. You can export your settings or input from saved settings. You have a PEQ control for each input [2], and for all four outputs. For each output there is several more - crossover filtering with linkwitz-riley 12 24 48db or butterworth 6 to 48db 6db stepped or Bessel 12db/octave. There are FIR filter options you can input (from files) up to 4096 taps. Adjust gains and delays - even use IIR biquad inputs you can make, when using the PEQs. Theres also a Compressor for each output if you want. Highly configurable device. I used it to adjust a closed-box subwoofer for flat output, using a linkwitz transform from 40hz to 20hz with a q of 0.707. Very satisfied
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By Kindle Customer
Date: April 15, 2025
Did not believe the hype about this, until I installed and started tweaking the system. It is not going to happen in 5 minutes, if you spend some time with it, and follow AVS forums and guides related to the DSP, you will definitely hear the difference. The boominess is gone, explosions and other LFE effects certainly seem much better. A worth investment.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By TrilllestSon
Date: January 30, 2025
I never leave reviews but having worked with many car audio setups and DSPs, DSP amp combos, head units, vehicles, aftermarket, stock etc etc, the miniDSP is the crux of my system now. Using an ATOTO with a S/PDIF to TOLSINK on the miniDSP and the audio quality is flawless. I used to have awful noise in my system and low pre amp voltage but not anymore. my system is OFF quiet when muted and beyond thumping at 75 volume with very low gain. my amp is cold now
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By Anthony Maisano
Date: January 27, 2025
This allows me to set digital crossovers as well as have bass management for my preamp that lacks a dedicated subwoofer output. I use it to set an lpf on my subs and a hpf on my mains and eq my dual subs. Well worth the price. I also purchased the Dirac upgrade but found I got better results with REW and Rephase. MiniDsp support is fantastic and answered any questions I had.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By Peter Tronset
Date: December 23, 2024
Calibrated 2 SVS SB4000 subwoofers with this. EXCELLENT piece of equipment. Must have for multiple subwoofer calibration.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]