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miniDSP Flex Balanced TRS 2x4 Digital Signal Processor

miniDSPPart # 230-3428
Model: Flex Balanced

The MiniDSP Flex is a versatile device with a multitude of applications, spanning from serving as a compact digital stereo preamp to seamlessly integrating and optimizing subwoofers, enhancing active speakers, supporting home theater setups, and facilitating recording studio needs. Let your creativity take the lead, and the possibilities are endless!

Key Features

  • USB, S/PDIF, and TOSLINK optical audio input with plug-and-play connectivity
  • USB audio input with plug-and-play connectivity
  • Balanced TRS analog outputs for clean, professional signal routing
  • White/Black OLED front panel controller with IR control
  • USB audio recording feature (4xCH processed output via USB audio to record inputs, e.g. Vinyl)
  • Audiophile performance: SNR@120dB(A), THD+N @ -110dB (0.0003%)
  • Compatible with miniDSP's Device Console
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Overview

miniDSP Flex Balanced TRS 2x4 Digital Signal Processor

miniDSP UMIK-2 Omni-directional USB Measurement Calibrated Microphone

miniDSP Flex, 400MHz Sharc DSP audio processor, toolbox for subwoofer or multiway speaker tuning, Optional Dirac Live license for room correction, Bluetooth LDAC/APTX/AAC streaming

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. This version has a balanced analog I/O (TRS) with superb audiophile specification for your enjoyment.

This unit includes 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)
  • Outputs: Balanced (TRS)
  • 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

Understanding LDAC Wireless Audio

LDAC™ is Sony's High Quality wireless audio streaming and we at miniDSP thought it would be great to showcase its benefits. By nature, Bluetooth audio streaming is very convenient but it's not without its limitations and until recently has not been an audiophile experience. LDAC is a new CODEC enabling 3 x the data to improve your enjoyment. You can read more on the Sony LDAC™ page.

Specifications

  • 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
  • Digital Audio Output Connectivity: 4 x Output channels(Post DSP) on USB Audio
  • Digital Audio Output Connectivity: 4 x Output channels (Post DSP) on USB Audio
  • Analog Audio Input Connectivity: 2 x balanced 6.35 mm TRS jack (as XLR)
  • Analog Audio Output Connectivity: 4 x balanced 6.35 mm TRS jack (as XLR)

  • Analog Audio Input Impedance: 200 kΩ
  • Analog Audio Output Impedance: 200 Ω
  • Analog Audio Input / Output Max Levels: 4 V RMS / 4 V RMS
  • Frequency Response: 20 Hz – 20 kHz ± 0.1 dB
  • SNR (Digital to Analog): 121 dB(A)
  • THD+N (Digital to Analog): -112 dB (0.00025 %) ± 3 dB
  • Crosstalk (Digital to Analog): -128 dB
  • SNR (Analog to Analog): 116 dB(A)
  • THD+N (Analog to Analog): -108 dB (0.0004 %) ± 3 dB
  • Crosstalk (Analog to Analog): -123 dB
  • Filtering Technology: FIR + IIR /
    Optional Dirac Live® 3.x Full Range correction (20~20kHz)
  • 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:
    -10.3 W (idle)
    -3.1 W (standby)

Product Details

BrandminiDSP
ModelFlex Balanced
Part Number230-3428
UPC848864071367
Unit of MeasureEach
Weight0.66

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