Sennheiser s application engineers have used their expertise to develop the ACA 3, a compact and easy to deploy 2 x 4:1 antenna combiner compatible with all analog and digital Sennheiser wireless stationary receivers operating in the supported frequency range of 470 to 798 MHz.
Sennheiser supports the use of distributed antenna systems with a range of high-specification antenna combiners to allow wireless microphone coverage over multiple rooms and large or complex sites. With the increasing demand for zone systems in various situations including large churches, broadcast installations, outdoor sporting events and reality TV shows, Sennheiser s engineers have used this expertise to develop the ACA 3, a compact and easy to deploy 2 x 4:1 antenna combiner compatible with all analog and digital Sennheiser wireless stationary receivers operating in the supported frequency range of 470 to 798 MHz.
What's in the box:- 1 ACA 3
- 3 mains cable (for EU, UK and US plug)
- Quick guide
- Safety guide
- 2 x 4:1 combiner at unity gain
- Switchable DC supplied on each antenna input for head amps or active antennas, e.g. AB 3, AB 3700, A12AD, 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 (e.g. faulty short circuit antenna cable)
| Warranty (years) |
2 |
| Obsolete date |
2026-12-31 |
| Applications |
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| Products |
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| What's in the box |
1 ACA 3 |
| Gain |
0 dB ( 3 dB) @ 470-790 MHz |
| Frequency range |
470 - 798 MHz |
| Connection |
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| Connectors |
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| Operating relative humidity ( %) |
5% to 95% |
| Operating temperature (C) |
-10°C to +40°C |
| Battery included |
N |
| Output voltage |
12 V, 250 mA max (overload protected) |
| Dimensions |
43x483x205 [mm] (HxWxD), 19", 1U |
| Product weight (g) |
2750 |
| Product height |
2025 |
| Product length |
483 |
| Product width |
43 |
| Package length (mm) |
580 |
| Package height (mm) |
195 |
| Package width (mm) |
395 |
Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.