SKU: 70964474543

Sennheiser ACA 3 Dual-Channel 4:1 Antenna Combiner for Wireless Receivers (470 to 798 MHz)

Sale price$2430.00 Regular price$2700.00
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Description

Sennheiser ACA 3 Dual-Channel 4:1 Antenna Combiner for Wireless Receivers (470 to 798 MHz)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 to combine and distribute the RF signal from up to four connected antennas to a receiver. The front panel offers switchable DC power

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 to combine and distribute the RF signal from up to four connected antennas to a receiver. 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.

Features
  • Two-channel 4:1 combiner at unity gain
  • Wide UHF frequency range from 470 to 798 MHz ensures compatibility with all Sennheiser analog and digital stationary receivers
  • Switchable DC supplied on each antenna input for head amps or active antennas including the AB 3, AB 3700, A12AD, and AB 9000
  • RF from each of the eight antenna inputs is switchable to isolate unused antennas
  • LEDs indicate input state: RF on, DC on, and DC current overload (for a faulty ‘short circuit‘ antenna cable)

Specifications

General
Compatibility
Sennheiser Stationary Analog Receivers / Stationary Digital Receivers
Display
Panel Type
Single-Color LED
Display Size
Not Specified by Manufacturer
Touchscreen
No
Inputs/Outputs
Audio I/O
8x BNC Coaxial Input (Antenna)
2x BNC Coaxial Output
Power
Power Source
AC Input (Included)
AC Input Power
100 to 240 VAC, 50 / 60 Hz
Physical
Mounting
Side: 2x Rack Ears
Color
Black
Operating Conditions
22 to 72°F / -10 to 40°C 
Storage Conditions
-4 to 158°F / -20 to 70°C 
Dimensions
19 x 8.1 x 1.7" / 483 x 205 x 43 mm
Weight
6.06 lb / 2.75 kg
Packaging Info
Package Weight
10.635 lb
Box Dimensions (LxWxH)
22.3 x 18.7 x 7.5"
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 70964474543

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Erica
Belleville, US
★★★★★ 5
Great for 1.5-2 year olds
Format: Hardcover
My 2 year old loves Mickey Mouse and loves books. These are perfect size for tiny hands and he takes them everywhere!
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Reviewed in the United States on February 27, 2026
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Corinne Dahl
West Palm Beach, US
★★★★★ 5
Perfect books for little hands
Format: Hardcover
I got these for my 21 month old for Christmas and she absolutely loves them. The size of the books was perfect for her little hands and they are very thick board books so they will hold up. They kept her attention and she loves looking through them on her own.
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Reviewed in the United States on January 4, 2026
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Mary L Mazzocco
Boise, US
★★★★★ 5
Hickey and Minnie
Format: Hardcover
These small books fit into a toddlers hand with vibrant pictures and just enough text to hold their interest. The box is fun to carry
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Reviewed in the United States on May 24, 2026
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Tahira
Belleville, US
★★★★★ 5
Size
Format: Hardcover
Nice books! Bought these for my 2 year old grandson fits his little hands perfect. Cute and durable carrying case.
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Reviewed in the United States on April 25, 2026
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Dayna
Dallas, US
★★★★★ 5
Nice books for a 2 year old
Format: Hardcover
My grandson loves these books. They’re easy to hold.
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Reviewed in the United States on January 24, 2026

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