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Description
AV Gear AVG-MHD4K-44 HD320 KITAVG MHD4K 44 HD320 KIT This product is a professional 44 HDMI 2. 0 Matrix Switcher with built in Audio Matrix. It includes 4 HDMI inputs, 4 HDMI outputs and the last two outputs feature down scaling, which is designed for switching two HDMI2. 0 and HDCP2. 2 compliant signals. It also features 4 SPDIF and 4 analog audio outputs for the audio matrix. Includes Includes 4 x HD320 SETS and 4 x ZIGEN 2M HDMI Cables Features: 44 HDMI 2. 0 Matrix Switcher.
AVG-MHD4K-44 HD320 KIT
This product is a professional 4×4 HDMI 2.0 Matrix Switcher with built in Audio Matrix. It includes 4 HDMI inputs, 4 HDMI outputs and the last two outputs feature down-scaling, which is designed for switching two HDMI2.0 and HDCP2.2 compliant signals. It also features 4 SPDIF and 4 analog audio outputs for the audio matrix. Includes Includes 4 x HD320 SETS and 4 x ZIGEN 2M HDMI Cables
Features:
- 4×4 HDMI 2.0 Matrix Switcher.
- Supports 4K/60 4:4:4, supports HDR, HDCP2.2 compliant.
- Audio Matrix, audio out can de-embedded from any input or output.
- Individual volume adjustment on each L+R output.
- Supports 4K to 1080p down-scaling on 2 outputs.
- HDMI out provides 2.5W to power an Active Optical Cable (AoC).
- HDMI Output supports up to 5V500mA for an AoC cable
- Controllable by front panel, IR, RS232 and TCP/IP.
Specifications:
| Video | |
| Video Input | (4) HDMI |
| Video Input Connector | (4) Type-A female HDMI |
| Video input Video Resolution | Up to 4K@60Hz 4:4:4 |
| Video Output | (4) HDMI |
| Video Output Connector | (4) Type-A female HDMI, |
| Video output Video Resolution | Up to 4K@60Hz 4:4:4 |
| HDMI Output | Supports up to 5V500mA for AoC cable |
| HDMI Version | Up to 2.0 |
| HDCP Version | Up to 2.3 |
| HDMI Audio Signal | LPCM 7.1 audio, Dolby Atmos®, Dolby® TrueHD, Dolby Digital® Plus, DTS:X™, and DTS-HD® Master Audio™ pass-through. |
| Digital Audio Output | |
| Output | (4) Digital SPDIF audio |
| Output Connector | (4) Toslink connector |
| Digital SPDIF Audio Format | Supports PCM, Dolby Digital, DTS, DTS-HD |
| Frequency Response | 20 Hz to 20 kHz, ±1dB |
| Max Output level | ±0.05dBFS |
| THD+N | < 0.05%, 20 Hz – 20 kHz bandwidth, 1 kHz sine at 0 dBFS level (or max level) |
| SNR | > 90dB, 20Hz-20 kHz bandwidth |
| Crosstalk Isolation | < -70 dB, 10 kHz sine at 0dBFS level (or max level before clipping) |
| Noise | -90dB |
| Analog Audio Output | |
| Output | (4) Analog L/R Audio |
| Output Connector | (4) L&R (RCA) |
| Digital SPDIF Audio Format | PCM 2CH |
| Frequency Response | 20 Hz to 20 kHz, ±1dB |
| Max output level | 2.0 Vrms ± 0.5 dB. 2 V = 16 dB headroom above -10 dBV (316 mV) nominal consumer line level signal |
| THD+N | < 0.05%, 20 Hz – 20 kHz bandwidth, 1 kHz sine at 0 dBFS level (or max level) |
| SNR | > 80dB, 20Hz-20 kHz bandwidth |
| Crosstalk Isolation | < -80 dB, 10 kHz sine at 0 dBFS level (or max level before clipping) |
| L-R Level deviation | < 0.05 dB, 1 kHz sine at 0 dBFS level (or max level before clipping) |
| Frequency Response Deviation | < ± 0.5dB 20Hz – 20KHz |
| Output Load Capability | 1k ohm and higher (supports 10x paralleled 10k ohm loads) |
| Noise | -80dB |
| Control | |
| Control Port | (1) IR IN, (1) RS232, (1) FIRMWARE, (1) TCP/IP |
| Control Connector | (1) 3.5mm jack, (1) 3-pin terminal block, (1) USB-A,(1) RJ45, |
| General | |
| Transmission Distance | 4K/60Hz/444 5m,4K/60Hz/420 10m,1080P 15m |
| Bandwidth | 18Gbps |
| Operation Temperature | -5~ +55℃ |
| Storage Temperature | -25 ~ +70℃ |
| Relative Humility | 10%-90% |
| External Power Supply | Input: AC 100~240V, 50/60Hz; Output: 24V DC 1.25A |
| Maximum Power Consumption | 18.3W |
| Dimension (W*H*D) | 436.4mm*44mm*236mm |
| Net Weight | 2.6kg |
Video Resolution Down-scaling
The product supports video resolution down-scaling, the 4K input can be automatically degraded to 1080p output for compatibility with 1080p display, shown in the below chart.
| Input | Output | ||||
| # | Resolution | Refresh | Color Space | Downscale | 1080p Specs |
| 1 | 3840×2160 | 60 | 4:4:4 | Support | 1080p@60Hz 4:4:4 |
| 2 | 3840×2160 | 30 | 4:4:4 | Support | 1080p@30Hz 4:4:4 |
| 3 | 3840×2160 | 24 | 4:4:4 | Support | 1080p@24Hz 4:4:4 |
| 4 | 3840×2160 | 60 | 4:2:0 | Support | 1080p@60Hz 4:4:4 |
| 5 | 3840×2160 | 30 | 4:2:0 | Support | 1080p@30Hz 4:4:4 |
| 6 | 3840×2160 | 24 | 4:2:0 | Support | 1080p@24Hz 4:4:4 |
| 7 | 3840×2160 | 60 | 4:2:2 | No Support | N/A |
| 8 | 3840×2160 | 30 | 4:2:2 | No Support | N/A |
| 9 | 3840×2160 | 24 | 4:2:2 | No Support | N/A |
Note: Only last two outputs (output 3 and output 4) have down-scaling function.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.1 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Just what I wanted.
Color: Black, Navy Blue, Wine Red, Size: 5X-Large
These may have just become my standard shirt to wear. Feels good whether tucked or out. Drapes well and fits well. So far, I can see it adjust to the different undershirt I may wear. Will probably order another set in other colors and a back up set of the basics because they will get worn a lot.
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Reviewed in the United States on July 17, 2025
★★★★★ 3
Its alright
Color: Black, Size: 5X-Large
True to size per the size chart. The fabric is soft but it it feels cheap to me. It attracts lint but you can brush it off easily so its not the cheapest material I've dealt with. Also, it is opaque (not see through).
There is no front/ back indicator either which is indicative of a cheap shirt in my opinion. Would be friendly for tag sensitive people (to stay positive).
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Fit and colors are perfect
Color: Black, White, Apricot, Size: Large
They fit very well, I got them for my husband and he was very excited for the style & fit i am actually going to buy him another pack
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Reviewed in the United States on October 7, 2025
★★★★★ 1
Fuzzballs get wearing once
Color: Black, Size: X-Large
Very smart to wear, but the quality is terrible so after one wash the collar start fraying and fuzzballs start forming.
Very disappointing.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Nice sweatshirt
Color: White, Size: Small
Really happy with this sweatshirt. The material is soft, warm, and has a nice thickness without feeling bulky—perfect for crisp fall days and layering in winter. The quilted texture and mock neck give it a more polished, upscale look than a regular sweatshirt. Fits true to size, and the color is vibrant and unique. I like the quarter-snap buttons and chest pocket for a little extra style and function. Easy to dress up or down with jeans or boots, and works great for everyday wear or going out. Definitely a solid addition to a fall/winter wardrobe.
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Reviewed in the United States on January 4, 2026