Flex HT
Flex HT Digital Audio Processor
Features
- Floating point SHARC DSP
- USB/HDMI/SPDIF/Optical inputs
- Wireless Audio outputs via WISA
- Dirac Live 3.x upgrade option
Hardware
- ADI ADSP21489 @400MHz
- Multichannel USB audio (8ch)
- EARC/ARC HDMI input (8ch PCM)
- 8ch DAC with audiophile specs SNR (125dB) & THD+N (0.0003%)
- OLED front panel with IR control
- 12V trigger output
Software Control
- Real time live control
- Win & Mac compatible
- Firmware upgradeable
- 4 preset memory
- CEC control from TV
Applications
- Home theater
- PC based multichannel audio
- WISA speaker tuning
- Low latency gaming
- Subwoofer integration
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 1 , 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. In addition, wireless digital output to WiSA wireless speakers and subwoofers is provided as standard. An OLED front panel display and volume control/encoder knob provides easy control. The miniDSP Flex HT is the perfect solution for a modern compact processor for home theater and multichannel sound. You just need to let your creativity do the rest!
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. Please check your device user manual.
TYPICAL APPLICATION
TECHNICAL SPECIFICATIONS
| Description | |
| Digital Signal Processing Engine | Analog Devices Floating point SHARC DSP: ADSP21489 IF 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 |
| Input/Output DSP structure | 8ch IN (USB/HDMI) or 2ch IN (TOSLINK/SPDIF)=> DSP => 8 channels OUT(Analog & WISA outputs) |
| Digital Stereo Audio Input Connectivity | 1 x SPOIF (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 – 216 kHz WARNING: No onboard Dolby/DTS decoding. Use your source (E.g. TV) to output in KM mode. |
| \VISA (Wireless Audio) | 8 channels outputs via low latency, uncompressed & tightly synchronized audio via WISA protocol 240it/48kHz, 5.2ms Fixed latency, 4./-21.6 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 soft-ware upgrade to multichannel Dirac Live’ 3.x Full Range correction (20 Hz – 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 MuteNolume/Standby |
| Power Consumption | 4.8 W (idle, Wise OFF), 6.5W (idle, WISA ON) 2.9 W (standby) |
Features and specifications are subject to change without prior notice
Documents / Resources
 |
miniDSP Flex HT Digital Audio Processor [pdf] Owner's Manual Flex HT Digital Audio Processor, Digital Audio Processor, Audio Processor |
