Sennheiser ACA 3 2 x 4:1 Antenna Combiner

Sennheiser ACA 3 2 x 4:1 Antenna Combiner (ACA3)

---

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.

---

FEATURES

• 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)

---

SPECIFICATIONS

• Dimensions : 43x483x205 [mm] (HxWxD), 19", 1U
• Connector : BNC female, 50 Ω
• Weight : Approx. 2.75 kg
• Storage temperature : -20°C to +70°C
• Operating temperature : -10°C to +40°C
• Power supply : 100 - 240 V AC, 50/60 Hz
• Gain : 0 dB, ±3dB @ 470-790 MHz
• Output voltage : 12 V, 250 mA max (overload protected)
• Frequency range : 470-798 MHz
• RF input : +10 dBm max 10 mW / channel
• RF output : IP 3: >37 dBm (typ.); 1 dB cp: >20 dBm
• Specials : Chanel isolation (when switched OFF): 69 dB (typ.)
• Operating relative humidity : 5% to 95%

---

FAQ

Is warranty coverage available for my product?

Yes! Majority of our product provides a minimum 1 year warranty on the electronic parts.

Will this accessory fit my instrument well?

You may check out the description section under each product page for your reference. Please do not hesitate to contact our sales team for further information via Whatsapp: 011-6862 1286.

Can I test the product prior to my purchase?

Definitely! You can contact our sales team through 011-6862 1286 or head over to Music Bliss showroom to view the item before buying it. We are honored to have you over!

How long will it take to deliver?

It usually takes only 3-7 working days for the item to be safely delivered to your doorstep. Self-collection and Lalamove (local delivery) is available as well!

Can I self-collect my item(s)?

Of course! You can head over to Music Bliss showroom for self-collection during our working hours.
10am - 7.30pm (Mon - Thurs)
10am - 7pm (Fri - Sat)
10am - 6pm (Sun)

Can I use Lalamove / Grab / Same Day Delivery as a delivery option?

Yes! Please note that the delivery hour for Lalamove service is only available for local delivery, from 11am to 5pm daily. For delivery ,please check out choosing Lalamove/Grab service or contact the mainline 011-6862 1286.