Hollyland Mars 4K Wireless Video Transmitter with HDMI and 3G-SDI Input (Transmitter Only)
SKU: HL-MARS4KTX
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Hollyland Mars 4K Wireless Video Transmitter with HDMI and 3G-SDI Input (Transmitter Only)
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Key Selling Points
The Hollyland Mars 4K Transmitter is the camera-side unit of the Mars 4K system, sold on its own with no receiver in the box. It takes HDMI 1.4b or 3G-SDI from your camera and sends the picture to up to 2 receivers or straight to phones and tablets running the HollyView app, which suits a solo operator or small crew who want to see the shot without a cable.
Key Features
- Takes a camera feed through one HDMI 1.4b input or one 3G-SDI input. 4K at 3840x2160 24, 25 or 30p is listed for HDMI only, and SDI tops out at 1080p60.
- Hollyland rates the link at 450ft (150m) line of sight to a receiver in an open, interference-free outdoor test, and at 0.06s latency with a 1080p60 signal in a lab.
- Feeds up to 2 receivers, or up to 4 phones and tablets through the HollyView app with no receiver at all. Hollyland's quick guide rates the app link at 260ft (80m) line of sight.
- Runs from 6V to 16V DC, an NP-F battery (6.8V to 8.4V) or USB-C at 5V/2.5A, and draws under 8.5W (typical).
- Smart channel scan shows which channels are occupied and selectable, and the rocker button and color LCD handle channel and menu changes on the unit.
- Measures 115 x 65 x 32mm and weighs 223g (7.9oz) without antennas, with a 1/4 threaded hole and mounting holes for the included expansion accessory.
In the Box
- 1 x Mars 4K Transmitter
- 2 x Antenna
- 1 x Self-Locking DC Adapter
- 1 x User Guide
- 1 x Warranty Card
- 1 x Expansion Accessory
How It Compares
| Feature | Hollyland Mars 4K Transmitter | Hollyland Pyro S |
|---|---|---|
| Line-of-sight range | 450ft (150m) | 1,300ft (400m) |
| Frequency bands | 5.1GHz to 5.8GHz | 2.4GHz and 5GHz |
| 4K rates on HDMI input | 24, 25, 30p | 23.98, 24, 25, 29.97, 30p |
| Transmitter power draw | Under 8.5W (typical) | Under 11W |
| Operating temperature | -10 to 60 degrees C | -10 to 45 degrees C |
- You only need the camera-side unit: Choose this transmitter. It is sold without a receiver, so you are not paying for a second box you already have.
- You need more distance from the camera: Consider the Hollyland Pyro S, a complete transmitter and receiver system rated for 1,300ft line of sight against 450ft. It hops between the 2.4GHz and 5GHz bands. Hollyland's Pyro S page does not mention pairing it with Mars 4K gear, so contact Filmgear Canada before mixing the two.
- You are starting with no Mars gear: The Hollyland Mars 4K Kit puts a transmitter and a receiver in one box, plus a cold shoe and a Type-C OTG converter that this single unit does not include.
Pair It With
- NP-F batteries: No battery comes in the box. Hollyland recommends NP-F 970, NP-F 750 or NP-F 550 batteries, and the SmallRig USB-C Rechargeable NP-F970 Camera Battery and SmallRig NP-F550 USB-C Replacement Battery use those formats.
- V-Mount or Gold Mount power: Hollyland's route is a D-Tap to DC cable into the 2.0mm core DC input, which accepts 6V to 16V.
- USB-C power: Hollyland specifies an adapter rated 5V/2.5A or higher. Quick Charge and Power Delivery are not supported, and it advises against power banks.
- Something to receive the picture: A Mars 4K Receiver or a phone or tablet running HollyView. Hollyland also lists the Mars 4K among the systems the Mars M1 Enhanced monitor pairs with. With 1 receiver connected, up to 2 phones or tablets can join. With 2 receivers, the app cannot connect.
- Other brands: Hollyland does not publish compatibility with other brands' receivers, so contact Filmgear Canada before planning a mixed setup.
- Mounting and cables: Hollyland's guide mounts the transmitter on the camera with a cold shoe, and this single-unit box has no cold shoe and no HDMI or SDI cable. Contact Filmgear Canada to check availability.
- Cameras recording 4K: Hollyland notes that some mirrorless and SLR cameras can show either the HDMI output or their own screen while recording 4K. It suggests setting the shooting format to 1080, or connecting an Atomos recorder as well as the transmitter.
Specifications
| Video inputs | HDMI 1.4b (Type-A female), 3G-SDI |
| HDMI input formats | 720p50/59.94/60, 1080i50/59.94/60, 1080p23.98/24/25/29.97/30, 1080p50/59.94/60, 3840x2160 p24/25/30 |
| SDI input formats | 1080p50/59.94/60 (Level A and Level B), 1080i50/59.94/60, 1080p23.98/24/25/29.97/30, 1080psf23.98/24, 1080psf25/29.97/30, 720p50/59.94/60 |
| Line-of-sight range | 450ft (150m) to a receiver in an open, interference-free outdoor test; 260ft (80m) to the HollyView app |
| Latency | 0.06s, test data with a 1080p60 signal in a laboratory |
| Operating frequency | 5.1GHz to 5.8GHz, 20MHz bandwidth, 802.11n modulation |
| Bit rate | 8Mbps to 20Mbps, 12Mbps default |
| Transmit power | 21dBm max |
| Audio | 2 channels over 3G-SDI, 8 channels over HDMI 1.4b |
| Power input | DC 6V to 16V (2.0mm core socket), NP-F battery 6.8V to 8.4V, USB-C 5V/2.5A (Quick Charge and Power Delivery not supported) |
| Power consumption | Under 8.5W (typical) |
| USB | USB-C (USB 2.0 OTG) |
| Antenna connector | RP-SMA male |
| Mounting | 1/4 threaded hole, expansion accessory mounting holes |
| Weight | 223g (7.9oz) without antennas |
| Dimensions | 115 x 65 x 32mm (4.5 x 2.5 x 1.3in) |
| Temperature | Operating -10 to 60 degrees C, storage -40 to 60 degrees C |
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. For opened or used items, a minimum 15% restocking fee may apply depending on the item condition.
To start a return, you can contact us at info@filmgearcanada.com. If your return is accepted, we’ll send you instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return-related questions at info@filmgearcanada.com.
Important Notice for Special Order Items
Certain professional and project-based products are supplied on a Special Order basis and are subject to different return conditions. Please review the “Special Order Items” section below before placing your order.
Damages and Issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged, or if you receive the wrong item, so that we can evaluate the issue and make it right.
If an item is defective within 14 days of delivery, email info@filmgearcanada.com with a short video of the problem and the serial number, or bring it to our showroom. Once we confirm the defect, we’ll replace it (or refund it if a replacement isn’t available) and handle the manufacturer claim ourselves.
For Special Order items, damage or defect claims must be reported immediately upon delivery and will be handled in accordance with the manufacturer’s warranty terms.
Exceptions / Non-returnable Items
Special Order Items (Final Sale)
Certain professional, project-based products are supplied on a Special Order basis and are not regularly stocked. Special Order items are final sale and cannot be returned, exchanged, or refunded once the order has been confirmed with the manufacturer. Special Order items are final sale whether they ship from our stock or are ordered from the manufacturer.
These items are ordered specifically for individual projects and may include, but are not limited to:
- Professional wireless communication systems
- Large-scale lighting equipment
- Studio carts and grip equipment
- Cine lenses and special production gear
Please ensure compatibility and project requirements before placing your order. If you have any questions regarding lead time or suitability, we strongly recommend contacting us prior to purchase.
In addition, we do not accept returns for open box, demo or clearance items, gift cards, hazardous materials, flammable liquids or gases.
Exchanges
The fastest way to ensure you get what you want is to return the item you have. Once the return is accepted, you may place a new order for the desired item.
Refunds
We will notify you once we’ve received and inspected your return and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please note that it may take some time for your bank or credit card company to process and post the refund.
FAQ
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
Ships from Vancouver, BC across Canada. Free standard shipping on orders over $199 CAD (remote areas and oversize or overweight items excluded). In-stock orders placed before 2 PM Vancouver time ship the same business day. Pre-order and special order items ship when they arrive. Local pickup at our 945 E Cordova St showroom, usually ready in 2 hours for in-stock items.
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Customer Support
Email info@filmgearcanada.com or call (604) 269-4161. Our team gives pre-purchase advice, helps you spec the right model for your shoot, and confirms compatibility before you order. Open Monday–Saturday, 9:30 AM – 5:00 PM PT. In-store consultation at our Vancouver, BC showroom.
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FAQ’s
Authorized Canadian dealer for Aputure, amaran, DJI, Nanlite, Tilta, and more. All products include full manufacturer warranty and Canadian-side support. For B2B / production-house pricing or net terms, email info@filmgearcanada.com — we work with crews and studios across Canada.
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Contact Us
Filmgear Canada — 945 E Cordova St #108, Vancouver, BC V6A 1H9. Phone: (604) 269-4161. Email: info@filmgearcanada.com. Showroom open Mon–Sat, 9:30 AM – 5:00 PM — walk-ins welcome, no appointment needed.