miniDSP Flex Audio Processor


The miniDSP Flex audio processor is equipped with multiple digital inputs, two analogue RCA inputs and four analogue RCA outputs.

Free next day delivery.

The miniDSP UMIK-1 and UMIK-2 calibrated omnidirectional USB microphones are ideal for taking measurements with Room EQ Wizard or Dirac Live. UMIK-1 measures frequencies up to 24 kHz. With its larger capsule and higher sample rate, UMIK-2 reliably measures frequencies up to 96 kHz.

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Brand: miniDSP Category:


Flex is the third generation of miniDSP’s popular line of compact 2 in / 4 out audio processors. It retains the powerful floating point processor but rethinks the I/O architecture to provide customers with different input and output options in a compact chassis. miniDSP Flex is available with single ended analogue (RCA), balanced analogue (TRS) or digital (S/PDIF via coaxial RCA or optical Toslink) outputs, with superb audiophile performance.

  • Latest generation 2 in / 4 out processor
  • Powerful DSP tools including parametric EQ, crossover, delay and gain trims
  • Optional Dirac Live® 3.x digital room correction (licence required)
  • USB, coaxial and optical digital inputs
  • Bluetooth input (LDAC / aptX)
  • RCA analogue inputs
  • RCA analogue outputs
  • USB audio recording feature
  • OLED front panel display and rotary encoder
  • Remote control handset

All versions include a set of digital inputs including USB, S/PDIF (RCA and optical) and Bluetooth (LDAC / aptX). This version also has a pair of RCA analogue inputs and four RCA analogue outputs.

An OLED front panel display provides feedback on the currently selected preset, input and volume level. The front panel rotary encoder acts as a volume control, but also allows for easy input and preset switching. An infrared remote is included for convenience.

The Flex series is packed with miniDSP’s tried and tested audio processing functionality. It comes as standard with flexible parametric EQ, IIR & FIR filters, crossovers, advanced biquad programming and delay on each output channel. With the purchase of an optional software licence via the Device Manager companion app, all versions can also run Dirac Live® filters for full range (20 Hz – 20 kHz) tuning.

The miniDSP Flex will find myriad uses in applications ranging from a compact digital stereo preamp through subwoofer integration and optimisation to active speakers, home theatre and recording studios. You just need to let your creativity do the rest!

Additional information




Audio Inputs

1 x coaxial RCA, 1 x optical Toslink, 1 x USB type B, Bluetooth, 2 x analogue RCA

Audio Outputs

4 x analogue RCA


400 MHz Analog Devices SHARC DSP

Dimensions (WxDxH)

150 x 180 x 41 mm

Documents and downloads

Flex series product brief

Flex series user manual

Flex with Dirac Live user manual

Frequently Asked Questions

Your miniDSP Flex Audio Processor will normally be delivered in 1-2 days.

Delivery is free on orders over £100. We deliver anywhere in the UK using premium tracked delivery services from DPD Local, UPS, TNT and Royal Mail.

When you by a product from us, you will have 30 days to decide whether or not you want to keep it. If you decide to return it for any reason, even if you just changed your mind, it will not cost you a penny. Just let us know that you want to return it and we will take care of the rest.

We will agree a collection date with you and send you a pre-paid shipping label for the return trip. You can have full refund or you can try something else instead. It is up to you. All we ask is that you take good care of the product, along with any accessories and packaging, while you are deciding whether or not to keep it.

We accept all major credit and debit cards, including Mastercard, Visa and American Express. We also accept Apple Pay and Google Pay. Payments are securely managed by industry leading payment processor Stripe and protected by SSL encryption. We will not store your card number or other payment information.


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