SKU: 58930272757

MiniDSP Flex DSP Processor Ideal For Subwoofer Correction + Speaker Tuning

$404.55 $449.50
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Description

MiniDSP Flex DSP Processor Ideal For Subwoofer Correction + Speaker TuningThe miniDSP Flex is the third generation of the compact 2 in, 4 out audio processors, featuring a 400MHz Sharc DSP audio processor and a toolbox for subwoofer or multiway speaker tuning. It also offers an optional Dirac Live license for room correction and supports Bluetooth streaming with LDAC APTX AAC. With multiple flexible I O versions available for unbalanced balanced digital connectivity, this compact chassis offers superb audiophile

The miniDSP Flex is the third generation of the compact 2-in, 4-out audio processors, featuring a 400MHz Sharc DSP audio processor and a toolbox for subwoofer or multiway speaker tuning.

It also offers an optional Dirac Live license for room correction and supports Bluetooth streaming with LDAC/APTX/AAC.

With multiple flexible I/O versions available for unbalanced/balanced/digital connectivity, this compact chassis offers superb audiophile specifications for all customers.

The OLED front panel display and volume control/encoder knob make it easy to control, while the powerful floating point processor, digital inputs (USB audio, S/PDIF, and Bluetooth), and advanced audio processing functionality (such as parametric EQ, IIR & FIR filters, crossovers, and delay) ensure optimal performance.

Upgradeable with Dirac Live, the miniDSP Flex is perfect for a variety of applications, including compact digital stereo preamps, subwoofer integration and optimisation, active speakers,


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


What's in the box?

  • Digital Audio Processor — Flex based on the I/O configuration selected. No Dirac Live license for default configuration
  • IR remote v2
  • 12V universal power supply (UK/EU/US/AU plugs)
  • USB cable  

Specifications

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

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) 

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)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 58930272757

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4.4 ★★★★★
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Product Reviews
A
Verified Purchase
Amazon Customer
Natrona Heights, US
★★★★★ 5
Comfortable pillows for side sleepers
Size: King, Unit Count: 4.0
Great pillows!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
C
Verified Purchase
Chris
New York, US
★★★★★ 5
Perfect Jumbo Size with Hotel-Quality Comfort & Support
Color: White, Size: Queen(Pack of 2)
I recently purchased the Jumbo size pillows. After trying a week, I couldn’t be happier with them! The size is perfect—nice and full without feeling bulky. They provide just the right amount of medium support, keeping my head and neck comfortable whether I’m sleeping on my back or side. The 100% cotton cover feels soft and breathable, and the pillows stay cool throughout the night. I also love the gusseted design—it really helps the pillows maintain their shape and gives them that luxury hotel feel. Even after several nights of use, they haven’t gone flat. Another big plus is that they’re machine washable, which makes maintenance super easy. Overall, these Jumbo pillows are plush, supportive, and great quality for the price. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
C
Verified Purchase
Crystal
Bozeman, US
★★★★★ 5
Best pillows we’ve ever had!
Color: White, Size: King(Pack of 2)
These are so insanely comfortable! They have the perfect amount of softness and support. Not too flat, not too full, just right. You will sink into it like a big marshmallow!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
L
Verified Purchase
Laura Moya
Natrona Heights, US
★★★★★ 5
Comfortable pillows 🤩
Color: White, Size: Queen(Pack of 2), Color: White, Size: Queen(Pack of 2)
I bought the Serta Hotel Collection Bed Pillows (Queen size) and I absolutely loved them. They are super soft yet provide great support; they feel very comfortable and help make for a much better, more pleasant night's sleep. Plus, the fabric is cool and of high quality. I recommend them wholeheartedly!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
A
Verified Purchase
AW
Phoenix, US
★★★★★ 4
Amazing pillows!
Color: White, Size: Queen(Pack of 2)
These are fantastic pillows! A little background. I'm a side sleeper and toss and turn throughout the night. I've struggled with sleep issues for literally decades - insomnia, tossing and turning, waking up multiple times a night to use the bathroom, waking up way too early and not being able to get back to sleep. Every night it's a combo of those things or all of those things. I've also had some neck pain and stiffness for a couple of months. If you've ever dealt with that you know it will affect sleep which will then affect productivity and mood. It's a terrible spiraling and compounding thing to deal with, very stressful. I figured the contour pillow I had which once was actually helping was unfortunately the culprit. So I went on the hunt for another pillow. I ordered what I thought was the old Rejuvenite pillow (those were fabulous!) and got burned on a bait and switch. The pillow ended up being way too soft and gave me worse neck pain. Figuring I'd try to salvage what was a $115 pillow, I invested in a very thin pillow to put underneath. It was too high. Getting pretty frustrated, I ordered the cheaper Utopia pillows here on Amazon. Those actually were not terrible because they did take away my neck pain, but I was still tossing and turning at night and still feeling unrested in the morning. I decided I'd give it one last shot and luckily found these when they were discounted by a few bucks. They didn't have many reviews which was actually a great sign for me because it means the company lets their product speak for itself. I got these in several days and was thrilled to see upon opening the package that they were sealed and the directions do not require you to open the package and let them expand for 24 hours. You literally just take the edges and fluff 2-3 times and that's it! They are ready to go and they definitely do feel perfect after doing that. I was skeptical when I put them on my bed because they are soft and I worried they'd be too soft. I felt my head sink into the pillow a bit and then was surprised to feel at a certain point it just feels like the pillow is cradling your head with the right amount of support. I wouldn't describe it as firm, just soft but stable support. Really comfortable. But the real test was how it would perform during sleep. I'm so thrilled to report that I had an amazing night of sleep! No neck pain, no stiffness, zero tossing and turning, no insomnia, no waking up during the middle of the night, and no waking up early. I put my head down, fell asleep, and slept like a log for about 7.5 hours straight, which is literally unheard of in my world. I'm very lucky if I get 5 solid hours of sleep. I woke up and popped out of bed. My mood was great (still is later in the day) and I was not tired in the afternoon when I normally feel the fatigue kicking in. This is the first day for as long as I can remember that I do not feel that nagging tiredness behind my eyes and in my body that always seems to be a steady background actor in my life. I feel great and full of energy and I was able to tackle a bunch of tasks on my someday list. This is so promising I didn't want to wait to share. If you are on the fence and are dealing with similar issues to mine, I'd encourage you to just try these. What's also amazing is these come in a set. I'm only using one so I basically have another one to use if the first one ever fails. This is the best investment for sleep I've ever made! Update: Well, after a trial period I'm removing a star because my dreamy sleep was short lived. I started to wake up more frequently during the night with these and gave up midway through the night one night. I'm still using these for back support while I sit up or hang out in bed because they are still super comfortable that way and oddly these work well for naps. Hopefully, you have better luck than me!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2026

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