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Description
Hollyland 2/4 Wire Converter for Intercom SystemsInterconnect your 2 and 4 wire intercom systems with this 2 4 Wire Converter from Hollyland. The converter features 3 pin XLR inputs for 2 wire or 4 wire intercom systems such as ALTAIR, ClearCom, Hanson, Syscom, and Datavideo, and it is powered using the intercom system over a 12 to 36V 2 wire connector. Other features include voltage and static protection, electrostatic discharge (ESD) testing to avoid damage, and distance compensation switches that
Interconnect your 2- and 4-wire intercom systems with this 2/4 Wire Converter from Hollyland. The converter features 3-pin XLR inputs for 2-wire or 4-wire intercom systems such as ALTAIR, ClearCom, Hanson, Syscom, and Datavideo, and it is powered using the intercom system over a 12 to 36V 2-wire connector. Other features include voltage and static protection, electrostatic discharge (ESD) testing to avoid damage, and distance compensation switches that support cable lengths up to 656'. The unit measures 1/4 RU and can be daisy-chained with up to three other units to create an environment for four sets of intercom connections with a 1 RU form factor.
One Button for Echo Processing
One button designed for echo processing with the Digital Signal Processing (DSP) technology for echo elimination, easy and convenient
4W Audio Gain Adjustment
Ultrahigh ±6 adjustment range to effectively adjust the volume of both the wired and wireless system
High-Definition Sound Quality
Interconnect with several wired and wireless intercom systems while retaining high-definition sound quality
4-Set Combination for 1 RU Standard Setup
Supports standard 1/4 RU structure accessory for 4 sets of 2/4 wire connections for flexible daisy-chain and broader communication coverage
2-Wire Connection for Direct Power Supply
Direct power supply from a 12 to 36V 2-wire connection with the wired system, no additional power supply needed
Terminating Resistor Switch
The 220-ohm terminating resistor switch supports effective interconnection between SYSCOM 1000T and different models of Datavideo wired intercom systems
Distance Compensation Switches
Two distance compensation switches for easy distance setup to meet up to 656' cable length between the wired system and the converter
Voltage and Static Protection
The voltage-protection design effectively prevent damage to the equipment by overvoltage input, while an electrostatic discharge (ESD) ±6000V test avoids ESD damage in dry or humid environments
Compatibility
The 2-wire interface is compatible with ALTAIR, Hanson, ClearCom, RTS, Datavideo, and other types of wired intercom systems
Hollyland HL-2/4 WIRE CONVERTER Specs
| Connectors | 1 x 3-Pin XLR 2-Wire, Female 1 x 3-Pin XLR 2-Wire, Male 1 x 3-Pin XLR 4-Wire, Female 1 x 3-Pin XLR 4-Wire, Male 1 x USB Type-C |
| Input Level / Input Impedance | 2-Wire: Maximum Uncompressed Level: >6 dBu Input Impedance: >10 Kilohms 2-Wire to 4-Wire Output Gain: 12 dB 4-Wire: Maximum Uncompressed Level: >18 dBu Input Impedance: >10 Kilohms 2-Wire to 4-Wire Output Gain: 12 dB |
| Output Level / Output Impedance | 2-Wire: Noise: >-68 dBu Matching Impedance: 104 to 240 Kilohms Frequency Response: 100 Hz to 5 kHz Distortion: >1% at 1 KHz SNR: >55 dB at -12 dBu 4-Wire: Noise: >-60 dBu Output Impedance: 400 Ohms Frequency Response: 100 Hz to 5 kHz Distortion: >1% at 1 kHz SNR: >55 dB at 0 dBu |
| Power Input | 12 to 36 VDC |
| Power Consumption | <1.5 W |
| Dimensions | 4.7 x 4.3 x 1.7" / 12 x 10.9 x 4.3 cm |
| Weight | 18.3 oz / 520 g |
Packaging Info
| Package Weight | 1.6 lb |
| Box Dimensions (LxWxH) | 7.3 x 6.2 x 3.1" |
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
4.4 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Thank you VIVO
Color: Black, Size: Standard, Color: Black, Size: Standard
Between these cable management trays and the VIVO under desk UPS mount, I have completely tamed the cables at my desk. No more tangling my feet in cables when I stretch. No more messy, unkept appearance. Even with zip ties, I was never able to get anything close to this. It's truly amazing what the right hardware and a little bit of work can do.
Everything you need is in the box. I do recommend drilling pilot holes, even in particle board or softer wood to make it easier to screw in, but the installation is dead simple and done right, no one will even know these trays are there. I should have done this years ago.
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Reviewed in the United States on May 23, 2025
★★★★★ 5
Perfect Solution for Desk Cable Clutter!
Color: White, Size: Standard
I’m super happy with the VIVO 2-pack under-desk cable management trays. They’re exactly what I needed to keep my workspace clean and organized. The 17-inch size is perfect for holding power strips, chargers, and all those messy cords that usually clutter up my desk area.
Installation was a breeze — the trays come with all the screws and clear instructions. I mounted them under my desk in just a few minutes, and they feel really sturdy and well-built. The metal construction looks sleek and durable, and it holds everything without any sagging or bending.
Now my cables are off the floor and totally hidden, which not only looks great but also makes cleaning so much easier. If you’re tired of tangled cords and want a neat setup, these trays are a must-have!
Highly recommend!
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Reviewed in the United States on June 14, 2025
★★★★★ 5
Perfect cable management
Color: Black, Size: Standard
I set these up on my sit/stand office/gaming desk and trust me when I say I have a lot of cords, power blocks and what not going on. 2 27" monitors (both have DP and HDMI hooked up), two laptops, PS5, gaming speakers, iPad, docking station, phone charging station...and this thing holds all of the cables, blocks AND the Anker multi-plug with 12 outlets. No cords hanging, everything clean. Super easy to install, I totally recommend this product. I like it so much I bought another one for my girlfriend for her home office to get her all set up. You won't regret it
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Reviewed in the United States on September 6, 2024
★★★★★ 4
Use Velcro or Command strips and save yourself money
Color: Black, Size: Standard
These are high quality and are nice additions for the VIVO standing desks. However, they only fit slim power strips. My power strips were too wide to fit these. I ended up just using Velcro and Command strips to attach the power strip under my desk and purchasing cable management wires. In the end, I think it turned out much better than using these cable management trays and also saved me a significant amount of money.
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Reviewed in the United States on May 9, 2024
★★★★★ 5
Works for hiding cables
Color: Black, Size: Standard
Worked great to manage my cables to my pc setup. My double wide surge protector fit in there just right. Easy to mount with the holes and the bottom to fit a screw driver or power drill. Not too flimsy.
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Reviewed in the United States on March 30, 2026
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