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5 December 2025

SENNHEISER EM3031 ANTENNA Telescopic, 430-960MHz

Stock code
74-4484
Brand
Sennheiser
Model number
  • 577768
  • EM3031
SENNHEISER EM3031 ANTENNA Telescopic, 430-960MHz
SENNHEISER EM3031 ANTENNA Telescopic, 430-960MHz

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SENNHEISER WIRELESS - Accessories

A selection of accessories for Sennheiser wireless systems.

ANTENNA

EM3031 (577768)

Telescopic antenna with BNC connection and swivel mount to allow better positioning. Covers 430-960MHz bandwidth.

ADP UHF (508863)

A paddle type, passive antenna with directional pickup. The antenna has built-in 3/8-inch and 5/8-inch threads for mounting to compatible microphone stand. Impedance: 50ohm. Frequency range: 470-1075MHz. Gain: 5dBi typical. Dimensions: 319 x 310mm. Weight: 1.1kg

AD 3700 (502197)

An active, paddle type, directional antenna with integrated AB 3700 broadband antenna booster. This antenna is only compatible with EM 3731, EM 3732, EM 2000, EM 2050, and EM 6000 receivers only. Impedance: 50ohm. Frequency range: 470-866MHz. Dimensions: 329 x 322 x 23mm. Weight: 625g, including booster.

A 1031-U (004645)

A passive omni-directional antenna for transmission or reception, this can be mounted on a 3/8 inch thread of a microphone stand.

A 5000-CP (500887)

A passive antenna with circular polarization for transmission or reception. The 450MHz to 960MHz wideband design allows ‘maximum flexibility when designing complex RF systems’. Connection via female N type BNC.

Frequency range: 450 – 960MHz, at 3dB. Dimensions (HxWxD): 356 x 356 x 140mm. Weight: 1.41kg.

AWM 4 (507358)

Compatible with Sennheiser Speechline series wireless, AWM 4 has been designed to be mounted to a tripod or wall. The 4-channel antenna can be employed to aid reception of any transmitted audio when the receiver is located further away or in a cabinet. The ‘robust’ metal housing and white finish allow for unobtrusive installation and durability. Mounting to a tripod is via the 3/8-inch internal thread located on the bottom of the antenna; whilst two 9mm holes are positioned on the rear of the antenna for wall mounting. Frequency range: 1.9GHz.

Dimensions (WxDxH): 225 x 53 x 60mm, without antenna. Weight: 669g

HALF WAVE DIPOLE (508870/508871)

These rod-type antenna are compatible with Evolution Wireless Digital fixed receivers. Two frequency versions are available; 606-694MHz (74-4276), and 823-865MHz (74-4277).

AM 2 Antenna Cable Set (009912)

For mounting antennas on the front of a GA 3 rack adapter, this is a pair of cables with male BNC connectors to connect to the back of the rack-mounted device and panel-mounting female types to fit the pre-punched apertures in the rack-adapter blanking-plate. The rack-adapter blanking-plate is used when a single receiver or transmitter is to be mounted in a 19 inch rack.

XSW Front Antenna Cables (507468)

An antenna mounting kit with two antenna front mount cables including two BNC coupler bulkhead. Allows the antenna connectors of stationary rack receivers and transmitters to be dropped to the rack front. Compatible with XSW2 wireless.

ANTENNA BOOSTERS

AB 4 (508538/508539/508540/508541/508543)

A range of six antenna boosters with differing operational bandwidths. This filtered, inline antenna adds 10dB of gain to compensate for signal-loss over longer runs of cable. Up to two AB 4 antenna boosters can be used for a single antenna feed. Terminations are by way of BNC connectors and is compatible legacy Evolution wireless systems along with ew300 G4 and ew500 G4 which have wider tuning bandwidths.

Frequency versions
508538 AB 4-AW+ 470-558MHz
508539 AB 4-GW 558-626MHz
508540 AB 4-GBW 606-678MHz
508541 AB 4-BW 626-698MHz
508543 AB 4-DW 790-865MHz

EW-D AB (508875/508876)

An antenna Booster for use with Evolution Wireless Digital systems.

Frequency versions
508875 EW-D AB (S) 606-694MHz
508876 EW-D AB (U) 823-865MHz  

ANTENNA SPLITTERS

ASA 3000 (009408)

A 16 channel active antenna splitter that can be utilised for eight dual receivers. Can be positioned on desk or rack mounted using the included 1U rack-mounting kit. Includes 2x telescopic antenna. Frequency range of 470-870MHz

ASP 212 (003421)

A passive two-way antenna-splitter with 2x two in and 2x one out. DC coupling can be used with a maximum of 0.3A. Compatible with frequencies within 30-950MHz.

EW-D ASA (508879/508880)

This active antenna splitter has been designed for compatibility with Evolution Wireless Digital (EW-D) systems whereby two remote antenna can be linked to up to four EW-D receivers. EW-D ASA is also compatible with the analogue G4 series receivers from Sennheiser. IIP3: Greater than 25 dBm. Impedance: 50ohms. Reflection loss: 10dB, all RF outputs. Dimensions (WxDxH): 212 x 168 x 43mm. Weight: 1.1kg

Available variants
74-4272 470-706MHz
74-4273 674-1075MHz

Included accessories: NT 12-35 CS power supply, 8x BNC antenna interconnect cables.

ANTENNA COMBINERS

AC 41-UK (508295)

This is a 4-way, half-rack width unit, combiner for up to four the Evolution G4 series wireless monitoring transmitters using a shared antenna. It also supports Evolution G3 and G2 systems. Power is supplied to SR IEM G4 transmitters over the BNC cables, eliminating separate power supplies for the transmitters. The front panel has a 'standby' button and four LEDs which light to illuminate yellow/orange when the power supply is available at the four RF input sockets and goes off in case of a short circuit or if a connection is made to the RF inputs which is not an Evolution series transmitter. The rear has four BNC connectors for the RF inputs and one for the output to the antenna. Power is connected with a co-axial inlet.

RF frequency range: 470-870 MHz. Operating voltage: 13.8V DC nominal.

Included accessories: 4x BNC cables, operating instructions.
Required accessories: NT3-1-UK power supply
Optional accessories: GA 3 rack mounting adapter

ACA 3 (390038)

Sennheiser ACA 3 is a compact, 1U rackmount dual 4:1 antenna combiner that has been designed for compatibility with all Sennheiser wireless systems including Digital 6000 and 9000 Series. The active combiner has a switchable DC supplied on each antenna input for use with head amps or active antennas such as AB 3, AB 3700, A12 AD, or AB 9000. RF from each of the 8x antenna inputs is switchable, via touch buttons located on the front facing panel, to allow the isolation of unused antennas. The same buttons can be pushed and held to turn DC on and off. LEDs positioned on and above the touch buttons indicate input state; RF on, DC on and DC current overload.

Frequency range: 470-798MHz. RF input: +10dBm, maximum 10mW per channel. Gain: 0dB, +/- 3dB, at 470-790MHz. Dimensions (WxDxH): 483 x 205 x 43mm. Weight: 2.75kg, including mains cable.

Included accessories: IEC mains cable, quick guide.

AC 3200-II (505497)

An active 8-way, 1U rackmount antenna combiner for larger applications when using 2000 series IEM transmitters. Up to eight signals can be transmitted from a single antenna, with the amplifiers handling up to 100mW per channel. LEDs for each channel signify RF input. Impedance: 50ohms. Power consumption: 90W maximum. Frequency range: 500-870MHz. Dimensions (WxDxH): 436 x 215 x 44mm. Weight: 4kg

Included accessories: NT 12-125D power supply, mains power cable, 4x self-adhesive feet.

CABLES

A selection of cables for connecting to wireless transmitter/receiver packs.

CL 1-N (005022)

A 3.5mm angled jack to 3.5mm locking jack, line output cable.

CI 1-N (005021)

A 6.3mm jack to 3.5mm locking jack connecting cable for electric guitars and basses. Suitable for evolution wireless bodypack transmitters.

CL 500 (554387)

A balanced male 3-pin XLR to 3.5mm locking stereo jack, 0.6m

CL 2 (004840)

A female 3-pin XLR to 3.5mm locking stereo jack, 1.5m

CL 100 (556950)

A male 3-pin XLR to 3.5mm locking jack, 0.6m

SPARE CLIPS

A selection of spare belt clips for beltpack and bodyworn transmitters or receivers

Product Orientation Compatibility
508570 Horizontal SK6212
508571 Vertical SK6212
592582 Vertical XSW IEM EK
508993 Vertical EW-D SK

COLOUR CODING AND IDENTIFICATION

EW-D EM COLOUR CODING (508992)

Coloured labels for wireless link identification for Evolution Wireless Digital EM 1/2 19-inch rack receiver.

EW-D SK COLOUR CODING (508990)

Coloured labels for wireless link identification for Evolution Wireless Digital SK bodypack transmitter.

EW-D SKM COLOUR CODING (508991)

Coloured labels for wireless link identification for Evolution Wireless Digital SKM-S handheld transmitter.

EW-D COLOUR CODING SET (508989)

A set including EW-D EM COLOUR CODING (508992), EW-D SK COLOUR CODING (508990), and EW-D SKM COLOUR CODING (508991) kits.

KEN 2 IDENTIFICATION RINGS (549344)

A set of identification rings for SKM hand transmitters of the evolution wireless G3 series.

RACKMOUNT KITS AND CASES

GA 3 (503167)

This can be used to mount one or two Evolution G3 and G4 series wireless monitoring transmitters, static radiomic receivers or the AC 3/AC 41-UK active antenna combiner in a 1U of a 19-inch rack. When a single device is to be mounted, a blanking plate is used for the other half of the rack width. This has two pre-punched apertures, filled with blanking plugs, which may be used in conjunction with the AM 2 antenna cable set to mount the standard antennas on the front of the rack, or to provide a convenient termination point for external antennas.

XSW RACK MOUNT KIT (507351)

A rack mount kit for the installation of up to two XSW stationary devices in a 19-inch rack.

CC 3 SYSTEM CASE (503168)

Suitable for Evolution G3 and G4 components, this offers 'safe storage and transportation'. The 'robust' carrying case is made from 'durable' plastic.

POP 1 POUCH (005232)

A soft pouch with belt clip for the SKP 100 G, SKP 500 G and SKP 3000 plug-on transmitters.

OTHER ACCESSORIES

RMS 1 REMOTE MUTE SWITCH (503164)

A remote mute switch that adds push-to-talk and push-to-mute functionality to an SK300-G3 or SK300-G4 beltpack transmitter.

CA 2 RECEIVER ADAPTER (009986)

A Camera mounting adapter for EK100G3 or EK2000