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Description
The miniDSP Flex is the 3rd generation of our popular line of compact 2-in, 4-out audio processors. It retains the powerful floating point processor but rethinks the I/O architecture so we can provide our customers with different input-output versions in this compact chassis. The initial versions are single-ended analog I/O (RCA), balanced analog I/O (TRS) and digital out with superb audiophile specification for your enjoyment.
All versions include a set of digital inputs: USB audio, S/PDIF (RCA/optical) and Bluetooth (LDAC/aptX). An OLED front panel display and volume control/encoder knob provides easy control. As always, the Flex series is jam-packed with miniDSP’s tried and proven audio processing functionality: flexible parametric EQ, IIR & FIR filters, crossovers, advanced biquad programming and delay on each output channel. Last but not least, all platforms are easily software-upgradable with Dirac Live®, the world’s premiere room correction system for full range (20~20kHz) tuning.
The miniDSP Flex will find a myriad uses in applications ranging from a compact digital stereo preamp through subwoofer integration and optimization to active speakers, home theater and recording studios. You just need to let your creativity do the rest!
Hardware Features
- Processor: 32-bit floating-point 400MHz Analog Devices SHARC DSP
- Multi-Core USB Audio processor (XMOS)
- Bluetooth streaming: LDAC™/aptX™ HD/aptX™/AAC/SBC
- Optional upgrade to Dirac Live® 3.x Digital Room Correction, Full Range Room Correction (20~20kHz)
- Audiophile performance: SNR@120dB(A), THD+N @ -110dB (0.0003%)
- Inputs: Stereo digital (USB Audio/SPDIF/Optical/Bluetooth), stereo analog (Unbalanced RCA)
- Flexible Output versions: Unbalanced (RCA), Balanced (TRS), Digital (TOSLINK & SPDIF)
- USB audio recording feature (4xCH processed output via USB audio to record inputs, e.g. Vinyl)
- White/Black OLED front panel controller with IR control
- Compatible with miniDSP’s Device Console
| Unbalanced RCA version | Balanced 6.35 mm TRS jack version |
Digital version | |
| Digital Signal Processor Engine | Analog Devices Floating point DSP SHARC ADSP21489 @ 400MHZ | ||
| Processing resolution / Sample rate | 32 bit/96 kHz (32bit/48 kHz with Dirac Live® license) | ||
| USB Audio support | UAC2 Bidirectional Audio – ASIO driver support (Windows) – Plug&Play (Mac/Linux) | ||
| Input/Output Configuration | 2 channels in / 4 channels out | ||
| Digital Stereo Audio Input Connectivity |
1 x SPDIF on RCA connector 1 x OPTICAL on Toslink connector 1 x USB audio (stereo) 1 x Bluetooth with support for: LDAC™/aptX™ HD/aptX™/AAC/SBC Supported Sample Rate: 20 ~ 216 kHz |
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| Digital Audio Output Connectivity | 4 x Output channels (Post DSP)on USB Audio |
4 x Output channels (Post DSP)on USB Audio |
4 x Output channels (Post DSP)on USB Audio and SPDIF& TOSLINK (duplicated) |
| Analog Audio Input Connectivity | 2 x Unbalanced RCA | 2 x balanced 6.35 mm TRS jack (as XLR) |
2 x Unbalanced RCA |
| Analog Audio Output Connectivity | 4 x Unbalanced RCA | 4 x balanced 6.35 mm TRS jack (as XLR) |
N/A |
| Analog Audio Input Impedance | 100 kΩ | 200 kΩ | 100 kΩ |
| Analog Audio Output Impedance | 200 Ω | 200 Ω | N/A |
| Analog Audio Input / Output Max Levels | 2 V RMS / 2 V RMS | 4 V RMS / 4 V RMS | 2 V RMS / NA |
| Frequency Response | 20 Hz – 20 kHz ± 0.1 dB | 20 Hz – 20 kHz ± 0.1 dB | 20 Hz – 20 kHz ± 0.01 dB |
| SNR (Digital to Analog) | 120 dB(A) | 121 dB(A) | D>D: 137 dB(A) |
| THD+N (Digital to Analog) | -110 dB (0.0003 %) ± 3 dB | -112 dB (0.00025 %) ± 3 dB | D>D: -130 dB (0.00003 %) |
| Crosstalk (Digital to Analog) | -120 dB | -128 dB | D>D: -165 dB |
| SNR (Analog to Analog) | 115 dB(A) | 116 dB(A) | A>D: 115 dB(A) |
| THD+N (Analog to Analog) | -106 dB (0.0005 %) ± 3 dB | -108 dB (0.0004 %) ± 3 dB | A>D: -108 dB (0.0004 %) |
| Crosstalk (Analog to Analog) | -115 dB | -123 dB | A>D: -115 dB |
| Filtering Technology | FIR + IIR / Optional Dirac Live® 3.x Full Range correction (20~20kHz) |
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| DSP Presets | Up to 4 presets | ||
| Dimensions | 150x180x41 mm | ||
| Accessories | IR Remote | ||
| Power Supply | Included external switching PSU 12V/1.6A (US/UK/EU/AU plugs) | ||
| Power Consumption | 9.0 W (idle) 2.5 W (standby) |
10.3 W (idle) 3.1 W (standby) |
7.5 W (idle) 2.5 W (standby) |
Additional information
| Model | Balanced (TRS), Digital, Unbalanced(RCA) |
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