SKU: 84700835472

MiniDSP Flex HT DSP Processor with eARC

$494.55 $549.50
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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1

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Description

MiniDSP Flex HT DSP Processor with eARCThe Flex HT is miniDSPs answer to our customers looking for a pocket sized multichannel processor with HDMI ARC eARC capabilities . Our team was able to cram a full eight channels of DSP power and a wide range of I O into the unbelievably compact enclosure. Eight channel audio input is via eARC linear PCM over HDMI, or USB Audio. Additional stereo input is supported over SPDIF and TOSLINK optical. Internally, weve provided a full suite of miniDSP

The Flex HT is miniDSP’s answer to our customers looking for a pocket sized multichannel processor with HDMI ARC/eARC capabilities . Our team was able to cram a full eight channels of DSP power and a wide range of I/O into the unbelievably compact enclosure.

Eight-channel audio input is via eARC linear PCM over HDMI, or USB Audio. Additional stereo input is supported over SPDIF and TOSLINK optical. Internally, we’ve provided a full suite of miniDSP flexible’s routing and audio processing features: bass management, parametric EQ, crossovers, advanced biquad programming and delay/gain adjustments. In addition, the miniDSP Flex HT is software-upgradable with full-frequency Dirac Live®, the world’s premiere room correction system.

The eight-channel analog RCA outputs feature class-leading low noise and distortion figures. Last but not least, the Flex HT is miniDSP's first product to include WiSA (“Wireless Speaker and Audio Association”) capability as an optional feature(future). WiSA is designed specifically for low-latency multichannel audio – a perfect match for the Flex HT. The WiSA transmitter will allow lossless transmit of all eight output channels to WiSA-compatible speakers and subwoofers. Note that WISA feature will be a hardware option on future shipments (ETA Q1 2024) and isn't included at this point of time. 

The miniDSP Flex HT is the perfect solution for a modern compact processor for home theatre and multichannel sound. You just need to let your creativity do the rest!

REMINDER: Please note that the Flex HT does not support bitstream (e.g. Dolby/DTS) decoding. The audio source must be able to output linear PCM (LPCM) for multichannel support over HDMI. 

Hardware Features

  • Processor: 32-bit floating-point 400MHz Analog Devices SHARC DSP
  • Multi-Core USB Audio processor (XMOS)
  • HDMI EARC/ARC interface for multichannel audio in PCM. Note that Flex HT doesn't support bistream format (Dolby/DTS encoded). 
  • Optional WISA (Future option / ETA Q1 2024): Multichannel (8ch) low latency, synchronized, Wireless audio. Compatible with compliant Wisa speakers. 
  • Optional upgrade to Dirac Live® 3.x Digital Room Correction, Multichannel (8ch) Full Range Room Correction (20~20kHz)
  • Audiophile performance with very low noise floor and distortion (SNR @128dB(A), THD+N @ -111dB (0.0003%)
  • Inputs: Stereo digital (SPDIF/Optical), Multichannel USB Audio streaming (up to 7.1)
  • Outputs: 8 channels audio duplicated to unbalanced (RCA) and WISA Wireless audio. 
  • White/Black OLED front panel controller with IR control
  • Control and configuration by miniDSP Device Console (DC)

 

 

 

Product Downloads

What's in the box?

  • Digital Audio Processor - Flex HT
  • IR remote v2
  • 12V univeral power supply (UK/EU/US/AU plugs)
  • USB cable  

Optional Items

NOTE: The UMIK-1/2 are measurement microphones approved by Dirac Research. Knowing the major effect a wrong calibration/measurement would have on the final results of Dirac Live tuning, we strongly recommend that you select a UMIK-1/2 microphone together with your platform for a plug&play experience leading to best results. Any issues related to 3rd party microphones such as ASIO/USB audio driver incompatibility/Latency problems or incorrect calibration process will not be under our support structure by our support team. 

Audio Precision APX555 measurements

 Here are few measurements of the Flex HT (Digital IN, Unbalanced RCA out) for THD+N/SINAD/Dynamic Range with DRE enabled & THD+N


miniDSP Device Console (DC)

Flex HT leverages miniDSP Device Console (DC), our newest real time control interface with free Over The Air (OTA) upgrades for software and firmware upcoming enhancements. 

 

Application Notes

 

The Perfect Apple TV companion

The Apple TV 4k is the perfect streaming partner for the miniDSP Flex HT and Flex HTx. Combined with an eARC-enabled TV, a modern compact A/V system with Dirac Live®, the world's premiere room correction system, has never been easier to set up!

 

 



Specifications

 

Description

Digital Signal Processing Engine

Analog Devices Floating point SHARC DSP: ADSP21489 @ 400MHZ

Processing resolution / Sample rate

32 bit/48 kHz

USB Audio support

UAC2 Audio - ASIO driver provided (Windows) - Plug&Play (Mac/Linux)
Multichannel USB Audio interface (8ch) for up to 7.1 configurations / 32bit / 44.1~96kHz

Input/Output DSP structure

8h IN(USB/HDMI) or 2ch IN(TOSLINK/SPDIF) => DSP =>  8 ch OUT (Analog & WISA outputs)

Digital Stereo Audio
Input Connectivity

1 x SPDIF (stereo) on RCA connector,
1 x OPTICAL (stereo) on Toslink connector
Supported sample rates: 20 – 216 kHz / Stereo source will be automatically assigned to Input 1&2

HDMI connectivity

ARC/EARC compliant for up to 8ch of LPCM audio streaming
Supported sample rates: 20 – 96 kHz
WARNING: No onboard Dolby/DTS decoding. Use your source (E.g. TV) to output in PCM mode.

WISA (Wireless Audio)

(Future Option) 
8 channels outputs via low latency, uncompressed & tightly synchronized audio via WISA protocol
24bit/48kHz, 5.2ms Fixed latency, +/-2µS synchronization, 5GHz spectrum

Digital Audio Output Connectivity

Not Applicable

Analog Audio Output Connectivity

8 x Unbalanced RCA

Analog Audio Output Impedance

200 Ω

Analog Output Max Level

2 V RMS

Frequency Response

20 Hz – 20 kHz ± 0.05 dB

SNR (Digital to Analog)

125 dB(A) with DRE enabled

THD+N (Digital to Analog)

-111 dB (0.0003 %)

Crosstalk (Digital to Analog)

-120 dB

Filtering Technology

miniDSP DSP toolbox (routing, bass management, parametric EQ, crossover, gain/delay).
Optional software upgrade to multichannel Dirac Live® 3.x Full Range correction (20Hz ~ 20 kHz)

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)

Trigger out

12V trigger out controls external ON/OFF powering of amplifiers

CEC control

HDMI CEC command for Mute/Volume/Standby

Power Consumption

4.8 W (idle, Wisa OFF), 6.5W (idle, Wisa ON)
2.9 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: 84700835472

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4.1 ★★★★★
Based on 16 reviews
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Everyday Reviews
Natrona Heights, US
★★★★★ 4
WALI Dual Monitor Stand: A Solid, Space-Saving Base Camp
Size: Dual, Style: Free-Standing
WALI Dual Monitor Stand: A Solid, Space-Saving Base Camp I needed to reclaim some real estate on my crowded desk, and this WALI freestanding mount did the trick. It's a straightforward, no-frills solution that holds my two 24-inch monitors securely and opens up a ton of space underneath. Assembly is intuitive, though having a second pair of hands is helpful when you're attaching the monitors to avoid any tipping. The all-metal construction feels sturdy and reliable. The adjustments are basic but effective—you can raise or lower both monitors together on the central pole and tilt or swivel them individually to get the angles just right. The included cable management clips are a nice touch for keeping things tidy. The key thing to understand with any freestanding mount is balance. If you extend the arms all the way out toward you, the whole unit can get top-heavy and want to tip forward. I keep my monitors positioned more centered over the heavy base, and it's perfectly stable. It's not meant for dramatic, extended poses. For the price, it's fantastic value. It doesn't have the infinite, fluid adjustability of high-end gas-spring arms, but it doesn't need to. It lifts your monitors, frees up your desk, and does its job without any fuss. Bottom Line: An excellent, budget-friendly way to lift two monitors and dramatically increase your usable desk space. Just be mindful of the center of gravity and don't expect ultra-flexible, independent positioning.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2025
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Verified Purchase
Erik Okerholm
Boise, US
★★★★★ 5
Nice, sturdy, and supportive and easy to set up for my dual 27" monitors!
Size: Dual, Style: Free-Standing
Nice, sturdy, and supportive and easy to set up for my dual 27" monitors!
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Reviewed in the United States on May 18, 2026
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Verified Purchase
Needsmorenails
Battle Creek, US
★★★★★ 5
Easily supports a pair of 26" displays
Size: Dual, Style: Free-Standing
I have no complaints with this stand. It is not as nice as the Inland brand sold at MicroCenter, but it does its job. It beats the price of the MicroCenter one, thats for sure. It comes with all the hardware you might need, even long screws and bushings if you have a display that needs them. Assembly was quick. It comes mostly assembled anyway. You have to put the bottom on the post then attach the assembled arms to the post. Setting up can be a challenge but with help, its easy. After mounting the bracket on the back of the displays, you just slide them into the receiver on the arms. Once mounted, adjusting the position is simple, but can take a while as there are several joints which can be positioned to angle the displays as you like. The cord clips do an OK job of cord management, but the clips are not as good as the Inland ones. They do the job, but not as durable. I broke the one that goes on the post, but I tried getting it to hold a wad of wire. My fault. I recommend this stand.
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Reviewed in the United States on December 3, 2025
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Verified Purchase
Joshua Jordan
Charlottesville, US
★★★★★ 5
It's simple, it works, & its price makes for a good deal
Size: Single, Style: Free-Standing
I needed a stand for a 27" VIZIO TV that had been wall-mounted for a few years, & (?) the original stand must've got the toss long ago... It's hard to say... I found this stand on Amazon priced right, plus it had a coupon attached to the listing. I scrolled down & I saw a "newer model" of the same product was available, so I was initially hesitant. But, looking at the product pictures, reading the description, & scanning through some of the reviews, then the same with the "newer model" — the only difference I could see was mostly aesthetic (it also appears to have a desk mount included, which wouldn't have worked for me regardless of its purpose—either for conversion to a desk stand-off mount, or to further secure the stand....?) Eventually, I just thought "....it's a stand with a VESA mount; how do you **** that up...?" And I really couldn't think of anything...even if the VESA bracket was milled not to spec (it is milled to spec), I could have still made it work....(?) So, I made the purchase, received it, & 9-10 screws later, the TV had a stand. & I'm guessing a much more versatile stand than the original. The bracket that attaches the stand to the VESA mount can lower or raise the TV quite a bit. Even in it's highest position, it's still retains its sturdiness & remains stable. The baseplate has a decent amount of weight, and its overall design is well balanced to favor stability (to a tolerance; e.g., an old CRT monitor just isn't going to work). The stand is literally 4 basic pieces—the VESA bracket, an articulating bracket, a metal tube, & a metal baseplate. If you have a standard phillips screwdriver, then the stand is easy to assemble. If you have any experience with TV mounts, or TV stands, then it assembles in less than 15 minutes. Given what you get for the price, the ease of assembly, the added versatility, if you need a stand for a screen within the manufacturer's specific tolerances, then I would absolutely recommend this stand.
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Reviewed in the United States on July 19, 2021
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Verified Purchase
viplarry
Boise, US
★★★★★ 5
Decent Monitor Stand with Some Assembly Required
Size: Single, Style: Free-Standing
This monitor stand works pretty well and is a good value for the price. It’s sturdy and adjustable, which makes it perfect for a variety of monitors, including my 32-inch curved Samsung. The assembly is straightforward if you have a Phillips screwdriver and something to tighten bolts, like a wrench. It’s solid once it’s put together and holds my monitor securely. The phone holder could use some improvement. It doesn't adjust to face me directly, which is a bit annoying. The stand itself is great for saving desk space and providing better ergonomics, but it can be a bit of a hassle to assemble if you’re not handy with tools. Overall, a good buy if you need a reliable monitor stand.
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Reviewed in the United States on October 25, 2024

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