Keep Your Team Connected With the Sennheiser 390038 2X4:1 Antenna Combiner, Model Aca 3 – Genuine Australian Stock
The Sennheiser 390038 2X4:1 Antenna Combiner, Model Aca 3 is a communication product built to help you talk clearly across the site — supplied as genuine Australian stock with local warranty. Expand your wireless coverage with the Sennheiser ACA 3, a dual-channel 4:1 antenna combiner compatible with all stationary Sennheiser analog and digital receivers.
Why You’ll Love It
- Talk clearly across the site — well suited for use in larger venues, houses of worship, and broadcast installations with distributed antenna systems, each channel of the unit…
- Stay hands-free — the front panel offers switchable DC power controls for the eight BNC inputs (four for each receiver) for active antennas or head…
- Set up quickly — the RF signal from each antenna input can also be switched off independently, allowing you easily isolate unused antennas.
- Built for working days — Backed by local warranty and support.
Key Features
Design & Materials
Sennheiser builds the Sennheiser 390038 2X4:1 Antenna Combiner, Model Aca 3 to the manufacturer’s specification for regular use.
Performance Specs
- Expand your wireless coverage with the Sennheiser ACA 3, a dual-channel 4:1 antenna combiner compatible with all stationary Sennheiser analog and digital receivers
- Well suited for use in larger venues, houses of worship, and broadcast installations with distributed antenna systems, each channel of the unit allows you…
- The front panel offers switchable DC power controls for the eight BNC inputs (four for each receiver) for active antennas or head amps
- The RF signal from each antenna input can also be switched off independently, allowing you easily isolate unused antennas
What’s Included
The Sennheiser 390038 2X4:1 Antenna Combiner, Model Aca 3 as listed in the product name, with the manufacturer’s standard accessories. Ask our team if you need the exact box contents before ordering.
Perfect For
- Film sets and production crews
- Event and venue staff
- Worksites, farms and 4WD users
How It Stands Out
Range, channels and battery details are listed so you can plan coverage. Unlike grey imports, every communication product we sell is genuine Australian stock with the official local manufacturer’s warranty, priced in AUD including GST. It is in stock at our Melbourne warehouse.
Frequently Asked Questions
Do I need a licence?
UHF CB radios are licence-free in Australia under the class licence; follow ACMA channel rules.
How far will it reach?
Range depends on terrain — see the manufacturer figure in Performance Specs.
Is the Sennheiser 390038 2X4:1 Antenna Combiner, Model Aca 3 genuine Australian stock?
Yes. Every product is 100% genuine Australian stock with the official local manufacturer’s warranty.
How long does delivery take?
This item is in stock at our Melbourne warehouse and ships with StarTrack Express — free on orders over $500 AUD.
Technical Specifications
Need the full manufacturer specification sheet for this model? Ask our Melbourne gear desk on 0489 989 442 and we will send it through.
Australian Warranty & Support
Professional and studio products carry a 24-month warranty. Most consumer products are also 24 months, with a short list of consumer models at 12 months. Warranty applies to new products bought from an authorised Australian dealer.
Warranty provided by Sennheiser Australia.
These benefits are in addition to your rights under the Australian Consumer Law. Accessories and consumable parts can carry different terms, and manufacturer terms can change, so check the official terms for your purchase date.
Official Sennheiser warranty terms- Full official Australian manufacturer warranty with local repair centers.
- Australian Consumer Law (ACL) consumer guarantees apply to all purchases.
- Complimentary technical setup assistance via Melbourne gear desk.
Estimated Delivery
- Melbourne Metro
- 1 business day (same-day courier available)
- Sydney, Canberra & Brisbane Metro
- 1 – 2 business days (StarTrack Overnight)
- Adelaide & Hobart Metro
- 1 – 2 business days
- Perth & Darwin Metro
- 2 – 3 business days
- Regional & Remote Australia
- 2 – 4 business days
- New Zealand
- 3 – 7 business days
- Asia (selected countries)
- 5 – 10 business days
- Europe & United Kingdom
- 7 – 14 business days
- North & South America
- 7 – 14 business days
- Africa
- 10 – 20 business days
Orders placed before 2:00 PM AEST on business days are normally dispatched the same day. International delivery times are estimates from dispatch, and we confirm the international shipping cost before you pay. Import duties, taxes and customs fees charged by the destination country are the buyer’s responsibility. Some products, such as drones, radios and lithium batteries, have export or carrier restrictions; we confirm any restriction before you pay.
We cannot ship to: North Korea, Iran, Syria, Cuba, Russia, Belarus, Crimea, Donetsk and Luhansk regions. See the full delivery & shipping policy.