Hollyland Mars 2W4W 2/4 Wire Converter for Intercom Systems — New Media website
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Hollyland Mars 2W4W 2/4 Wire Converter for Intercom Systems

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Original price $949.95
Original price $949.95 - Original price $949.95
Original price $949.95
Current price $915.00
$915.00 - $915.00
Current price $915.00

  • Interconnect 2/4 Wire Intercom Models
  • Distance Compensation up to 656'
  • Static and Voltage Protection
  • 3-Pin XLR Jacks for 2/4-Wire Systems
  • 4W Gain Adjustment, HD Audio Quality
  • Echo Processing, 2-Pin 12 to 36V Power

Need help? Ask our experts for a quote or advice

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


The 2-wire interface is compatible with ALTAIR, Hanson, ClearCom, RTS, Datavideo, and other types of wired intercom systems



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

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

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  
Dimensions 4.7 x 4.3 x 1.7" / 12 x 10.9 x 4.3 cm
Weight 18.3 oz / 520 g


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.


  • Hollyland 2/4 Wire Converter for Intercom Systems
  • USB Type-C Cable
  • 5 x Mounting Screw
  • Warranty



Frequently Asked Questions

How long will it take for my order to arrive?

This can be as fast as 1-2 business days on the eastern seaboard, and 3-5 business days to the western seaboard.

However , shipping times vary depending on the location of our distributors (all are based in Australia), your delivery address (metro, regional or rural), and any network disruptions that may be occurring (for example, delays due to extreme weather events).

If you need your order urgently, or by a specific date, please Contact us so we can find a solution that works best for you.

You will receive tracking information for all orders so you can keep an eye on the delivery status too.

What are your shipping options?

Our items are typically shipped directly from our distributors to you.

In most cases, this means there is only one shipping option available, which is typically the most efficient and cost-effective delivery method available. It also means your order may arrive in multiple packages from multiple carriers.

We will provide you with tracking information for all items so you can keep an eye on their delivery status.

If you require an item urgently, please contact us so we can find a solution that works best for you.

Do you offer discounts for bulk orders?

The honest answer is, it depends on the brand and quantity you're looking to order. We're here to make the process as smooth as possible for you, so if you're looking to place a bulk order, the best thing to do is contact us directly, so we can provide a personalised quote for you.

What is your return policy?

If you have placed an order with us and wish to cancel your order for any reason – even if you simply change your mind – we will provide you with a full refund, provided that we receive notice of the cancellation of your order before we have begun processing your order.

If we have already started processing your order, or you've already received it, please read our Change of Mind policy.

How can I contact customer support?

You can give us a call on 1300 304 607 Monday to Friday between 9am and 5pm. Send us an email to email me sales@new-media.com.au or fill out our contact form .

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