MiniDSP MiniDSP Flex HTx DSP Processor with eARC - RCA + Balanced Calibration Equipment
MiniDSP MiniDSP Flex HTx DSP Processor with eARC - RCA + Balanced Calibration Equipment

MiniDSP Flex HTx DSP Processor with eARC - RCA + Balanced

Flex-HTx

Regular price$1,699.00
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  • Free Delivery Australia Wide
  • Local Australian Warranty
  • 1800 100 998 For Assistance

We take pride in our customer service and shipping times. Most products will ship within 1-2 business days. If there are any potential delays with products in your order, we will contact you.

All orders now come with free shipping Australia Wide.

We use a variety of shipping methods depending on the types of items purchased and their delivery location. This helps to ensure your items arrive safely and in a timely manner. If you are on a tight deadline or would like to know an estimated delivery date for your order, contact our friendly staff and they will be happy to assist.

The Flex HTx is the bigger brother of the Flex HT, targeting the need for a multichannel processor with HDMI ARC/eARC capabilities and stellar analog and USB audio capabilities. Within a single rack unit, we packed all the possible connectivity we could fit.

Eight-channel audio input is via analog audio (RCA and TRS), eARC linear PCM over HDMI1, or USB Audio. Additional digital stereo input is supported over SPDIF and TOSLINK optical. Internally, we’ve provided a full suite of miniDSP’s flexible routing and audio processing features: bass management, parametric EQ, crossovers, advanced biquad programming and delay/gain adjustments. In addition, the miniDSP Flex HTx is software-upgradable with full-frequency Dirac Live®, the world’s premiere room correction system.

Continuing miniDSP’s focus on affordable high-performance audio, the Flex HTx features class-leading low noise and distortion figures. An OLED front panel display and volume control/encoder knob provides easy control.

The miniDSP Flex HTx is the perfect solution for a modern compact processor for home theater and multichannel sound.

REMINDER: Please note that the Flex HTx 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 HTx doesn't support bistream format (Dolby/DTS encoded). 
  • 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 @127dB(A), THD+N @ -120dB (0.0001%)
  • Inputs: Stereo digital (SPDIF/Optical), Multichannel USB Audio streaming (up to 7.1)
  • Outputs: 8 channels audio duplicated to unbalanced (RCA) 
  • White/Black OLED front panel controller with IR control
  • Control and configuration by miniDSP Device Console (DC)
  • Rack mountable with removeable rack EARS

 

 

 

 

 

 

Product Downloads

What's in the box?

  • Digital Audio Processor - Flex HTx
  • IR remote v2
  • 12V univeral power supply (UK/EU/US/AU plugs)
  • USB cable  
  • Removeable Rack EARS (1RU)

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

Digital to Analog (input 1 kHz, 0 dBFS) / AES17 20kHz LPF

SINAD & THD+N (%)

Dynamic Range

 

THD+N Ratio vs Frequency

 

miniDSP Device Console (DC)


Flex HTx 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!


 

 

 

Multiway + Dirac Live

miniDSP's multichannel audio processors with Dirac Live room correction can implement advanced multiway active speakers. Any number of "ways" and speakers can be implemented up to the number of output channels. Check out our app note on how to get started!



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

8ch IN (USB/HDMI/Analog) or 2ch IN (Toslink/SPDIF) => DSP =>  8 channels OUT (Analog)

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: 32 – 96 kHz / Supported sample sizes: 16-24bits
WARNING: No onboard Dolby/DTS decoding. Use your source (E.g. TV) to output in PCM mode.

 

Balanced 6.35mm TRS

Unbalanced RCA

Analog Audio Input Connectivity

8 x Balanced TRS

8 x Unbalanced RCA

Analog Audio Input Impedance

200 kΩ

100 kΩ

Analog Audio Output Impedance

300 Ω

150 Ω

Analog Input/Output Max Level

4 Vrms/4 Vrms

2 Vrms/2 Vrms

Frequency Response

20 Hz – 20 kHz ± 0.1 dB

20 Hz – 20 kHz ± 0.1 dB

Digital to Analog (input 1 kHz, 0 dBFS) / AES17 20kHz LPF

SNR

127 dB(A)

124 dB(A)

THD+N / SINAD

-120 dB (0.0001 %) / 120dB SINAD

-117 dB (0.00014 %) / 117dB SINAD

Crosstalk

-132 dB

-120dB

TRS Analog to Analog (input 1 kHz, 4 V RMS) / AES17 20kHz LPF

SNR

120 dB(A)

118 dB(A)

THD+N / SINAD

-114 dB (0.0002 %) / 114dB SINAD

-112 dB (0.00025 %) / 112dB SINAD

Crosstalk

-130 dB

-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 (20 Hz – 20 kHz)

DSP Presets

Up to 4 presets

Dimensions (HxWxD)

41.5 x 429 x 236 mm

Accessories

IR Remote

Power Supply

Included external switching Power Supply 12V/1.6A (US/UK/EU/AU plugs)

Trigger out

12V trigger out controls external ON/OFF powering of amplifiers, 3.5mm jack

CEC control

HDMI CEC command for Mute/Volume/Standby

Power Consumption

16.5 W (idle)
3.7 W (standby)



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★★★★★

CHT Solutions has been very prompt to respond and ship the items. I will never hesitate to buy from them again. More power to CHT Solutions!

Richard Y.
Thornleigh, NSW
★★★★★

CHT delivery was incredibly fast, Many thanks all for such an easy purchase process and super fast delivery. 5 stars from me

Chris N.
Malaga, WA
★★★★★

Buying from CHT Solutions was easy and their price was great and I would recommend then to anyone seeking good Hi Fi equipment.

John L.
Woonona, NSW
★★★★★

Fast delivery and great products. Would recommend them to anyone needing great service for sound advice.

Oscar F.
Truganina, VIC
★★★★★

CHT delivered the unit to South Australia within a couple of days. Amazing! Their phone customer service was professional and courteous. Will happily purchase from them again

Robert F.
Tranmere, SA