Sennheiser ew 112P G4 Camera-Mount Wireless Microphone System with ME 2-II Lavalier Mic A1: (470 to 516 MHz)

Model: EW 112P G4-A1

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Sennheiser ew 112p g4 a1 1
Sennheiser ew 112p g4 a1 1
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Antenna Type 1/4 Wave
Level Control Yes
Mute Switch Programmable Mute Function
Battery Type/Approx. Life 2 x 1.5 V AA batteriesLife: Up to 10 hours
Polar Pattern Omnidirectional
Type of Microphone ME 2-II lavalier microphone
Type of Transmitter SK 100 bodypack transmitter
Type of Input Connector Locking 1/8" (3.5 mm) mini jack
Weight 5.64 oz (160 g)
Dimensions (WxDxH) 3.23 x 2.92 x 0.94" (82 x 64 x 25 mm)
Display High-contrast LCD


Type of System Camera-mountable, adaptive diversity UHF wireless lavalier mic system
RF Carrier Frequency Range A1: (470 to 516 MHz)
RF Output Power 30 mW
Diversity Circuitry Adaptive antenna diversity
Squelch Off / Low / Medium / High
Overall Frequency Response 25 Hz - 18 kHz
Signal-to-Noise Ratio ≥ 110 dBA
# Of Channels 1680 20 channel banks, 1 fixed bank, 12 factory-preset channels each


Weight 5.64 oz (160 g)
Dimensions 3.23 x 2.92 x 0.94" (82 x 64 x 25 mm)
Mounting Options CA 2 shoe-mount adapter (included)
Display High-contrast, LCD display
Battery Type/Approx. Life 2 x 1.5 V AA batteriesLife: Up to 10 hours
Power Requirements 1.5 V
Headphone Monitoring No
Type of Outputs 1/8" (3.5 mm) mini-jack
Type of Receiver EK 100 portable receiver
User Reviews
American musical.34136908
27 March 2023

I picked up two pairs of these for field recording. They have a sturdy build that feels good and forgiving for ongoing use. Setup was simple, straightforward, and reliable. AMS always has the tools I need and leave me feeling confident after my purchases.

B h photo.34921152
19 November 2018

I upgraded from a G2 and a G3 set, both of which were in the 600mhz block. I started to experience lots of interference in the last year with those sets, likely due to the auction of that frequency block.

6 January 2016

I love this wireless system. It provides so many possibilities due to the flexible settings. Not only does this work as a lapel mic but I've also used it to get sound from a laptop projector for a wedding and wirelessly transmitting the audio out into my mixer across the room.

American musical.34136908
6 March 2020

This is a great lapel mic, but I also use these for adding an additional speaker in another room such as weddings, corporate events, etc. There’s times where I need a filler speaker at the other end of the room, instead of running a long xlr cable I use this set to make my speaker wireless.

B h photo.34921152
3 October 2018

I used a nearly identical Sennheiser G3 model from 2010-2018 that operated in the 600 Mhz range that the FCC is no longer allowing, so I bought this to replace it, and it has performed exactly as expected.

13 August 2015

I used to work at a video company, now I'm on my own so I purchased a set of these (like we had at my job). Such good RF transmitters. Super reliable. Clean sound. Very good range.

American musical.34136908
28 July 2022

I utilize this for a satellite speaker when it calls for it. Simple setup and travels extremely far. Thru walls, around corners. Definitely something you should have if your a mobile dj. Add it today asap!

B h photo.34921152
1 June 2018

I like this system. Easy to use but I also purchased Sanken COS 11 D lavs that sound so much better and can be hidden. The supplied lavs are fair but too big to hide.

25 May 2015

The Sennheiser EW112-p G3 wireless system has really impressed me. It's solid, the audio is clean, very easy to set up, and works like a charm when paired with the Zoom h4n disc recorder. The range is incredible. Multiple selectable frequencies and multiple selectable channels.

American musical.34136908
11 June 2021

Got this mic to use for wedding ceremonies. While playing with it, I found out you can also use it to transmit for a fill speaker durring the reception. Has worked flawlessly for me in both situations! Very happy with how easy it is to use.

Product Highlights
  • EK 100 G4 Camera-Mountable Receiver
  • SK 100 G4 Bodypack Transmitter
  • ME 2-II Omnidirectional Clip-On Lav Mic
  • 1680 Tunable Frequencies Across 42 MHz
  • Auto Frequency Scan Finds Open Bands
  • 3-Level Squelch to Block Interference
  • 20 Banks with 12 Channel Presets Each
  • Compander for Clearer Sound
  • Auto-Lock Prevents Accidental Adjustment
In The Box
  • Sennheiser ew 112P G4 Camera-Mount Wireless Microphone System with ME 2-II Lavalier Mic A1: (470 to 516 MHz)
  • EK 100 G4 Wireless Camera-Mount Receiver A1: (470 to 516 MHz)
  • SK 100 G4 Wireless Bodypack Transmitter A1: (470 to 516 MHz)
  • ME 2-II Omnidirectional Lavalier Microphone (Black)
  • CA2 Shoemount Adapter
  • CL-100 1/8"-M Mini to XLR-M
  • CL1 Mini to Mini Cable for EK100
  • Limited 2-Year Warranty
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