Sennheiser SK 300 G4-RC Wireless Bodypack Transmitter

Product Overview

The Sennheiser SK 300 G4-RC is a professional UHF bodypack transmitter from the evolution wireless G4 300 series, engineered for presenters, performers, and broadcast professionals who require discreet and reliable wireless audio. The defining capability of the RC variant is its Remote Control functionality — a dedicated 2.5mm jack allows connection of the RMS 1 remote mute switch (sold separately), giving operators or the talent themselves push-to-talk and push-to-mute control without touching the transmitter. Paired with the EM 300-500 G4 receiver, the SK 300 G4-RC delivers an 88 MHz UHF tuning range, 3520 selectable frequencies, and up to 8 hours of runtime on two AA batteries. Backward compatibility with G1 through G4 evolution systems makes it a versatile upgrade for existing wireless installations.

Product Description

Reliable wireless audio at the performer or presenter level starts with a dependable bodypack transmitter. The Sennheiser SK 300 G4-RC is built on the proven G4 300 platform — all-metal housing, intuitive backlit LCD, and the wide-band RF performance that has made the evolution wireless series a global standard — with one critical addition: remote mute capability via the RC designation.

The 2.5mm remote mute jack accepts the RMS 1 remote mute switch, enabling push-to-talk and push-to-mute functions without the presenter needing to reach for the transmitter pack. This is invaluable for corporate presentations, town halls, panel discussions, and broadcast interviews where discreet audio control is essential. The mute function can alternatively be locked out entirely, preventing accidental muting during a performance — a feature stage performers and lecturers depend on for uninterrupted delivery.

RF performance is anchored by an 88 MHz UHF tuning range with 3520 auto-scan selectable frequencies, providing the flexibility to find clean channels in even heavily congested RF environments. Three selectable RF output power levels — 10, 30, and 50 mW — allow the transmitter to be optimized for range versus coexistence with other wireless systems on the same venue. The infrared sync function links the transmitter and EM 300-500 G4 receiver to the same frequency instantly, streamlining setup in time-pressured environments.

A locking 3.5mm input connector accepts lavalier microphones, headset microphones, or instrument inputs, with an adjustable mic/line input sensitivity control to match virtually any source. The rugged all-metal housing is designed for daily wear and stage use, while the backlit LCD keeps talent and operators informed of battery, mute, and frequency status at a glance.

Power comes from two standard AA batteries for up to 8 hours of operation, or from the optional rechargeable BA 2015 Accupack battery — which can be recharged via side contacts directly in the transmitter using the L 2015 quick-charge unit, eliminating the need to remove the battery pack between charges. Backward compatibility extends across the full evolution wireless generation history, so the SK 300 G4-RC can be mixed with G3, G2, and G1 receivers, as well as EW 100 and EW 500 systems, protecting existing equipment investments.

Key Features

• Remote Control (RC) Capability — 2.5mm jack for RMS 1 remote mute switch enables push-to-talk and push-to-mute without touching the pack.
• 88 MHz UHF Tuning Range — Wide tuning range with 3520 selectable frequencies for clean channel availability in congested RF environments.
• Selectable RF Power: 10/30/50 mW — Three output power levels optimize coverage range versus RF coexistence.
• Locking 3.5mm Input Connector — Secure lavalier, headset, or instrument connection with adjustable mic/line input level control.
• Up to 8 Hours Battery Life — Two AA batteries deliver a full shift of operation; optional BA 2015 Accupack available for rechargeable use.
• Infrared Sync — Instant frequency matching between transmitter and EM 300-500 G4 receiver via IR sync.
• Programmable Mute with Lock — Mute function can be locked to prevent accidental activation during performances.
• Backlit LCD Display — Clearly shows frequency, battery level, and mute status in any lighting condition.
• All-Metal Housing — Rugged construction for daily presenter and stage use.
• Side-Contact BA 2015 Charging — Rechargeable Accupack can be charged in-transmitter without removal, using the L 2015 quick-charge unit.
• Backward Compatible — Works with G1/G2/G3/G4 evolution receivers and is compatible with EW 100 and EW 500 systems.

Typical Applications

• Corporate presenters and executives who need discreet push-to-mute capability during meetings, town halls, and conferences
• Broadcast interview and talk show talent requiring operator-controlled remote mute from the production desk
• Lecturers and educators in large lecture halls or auditoriums using lavalier microphones with mute control
• Theater and musical theater performers needing stage-proof bodypack reliability with lockable mute
• Houses of worship with pastors or worship leaders requiring discreet audio control during services
• Panel discussions and moderated events where participants need individual push-to-talk functionality
• AV integrators upgrading existing G3/G4 evolution wireless installations without replacing receivers

Technical Specifications

Frequently Asked Questions

Q: What does the RC designation mean on the SK 300 G4-RC?

RC stands for Remote Control. The SK 300 G4-RC includes a 2.5mm jack that accepts the RMS 1 remote mute switch (sold separately), allowing push-to-talk and push-to-mute functions to be controlled externally without the presenter or performer interacting with the transmitter pack directly.

Q: Which receiver does the SK 300 G4-RC work with?

The SK 300 G4-RC is designed to pair with the Sennheiser EM 300-500 G4 receiver. It is also backward compatible with G1, G2, and G3 evolution receivers, and compatible with EW 100 and EW 500 systems.

Q: What is the difference between the AW+ and GW1 frequency band variants?

The AW+ variant covers the 470–558 MHz range, while the GW1 variant covers the 558–626 MHz range. Both offer the same 88 MHz tuning bandwidth and feature set. Band selection should be made based on locally available and license-free frequencies in your region.

Q: Can the mute function be locked to prevent accidental activation?

Yes. The SK 300 G4-RC includes a programmable mute lock function that prevents accidental mute activation — ideal for performers and speakers who need uninterrupted audio delivery during a show or presentation.

Q: What microphones can be connected to the SK 300 G4-RC?

The locking 3.5mm input connector accepts lavalier microphones, headset microphones, and instrument-level sources. The adjustable input sensitivity control accommodates a wide range of microphone and source levels.

Q: Does the SK 300 G4-RC support rechargeable batteries?

Yes. In addition to two standard AA batteries (up to 8 hours runtime), the transmitter supports the optional BA 2015 Accupack rechargeable battery. The Accupack can be charged in-situ via side contacts using the L 2015 quick-charge unit without removing it from the transmitter.

Q: What RF output power settings are available?

The SK 300 G4-RC offers three selectable RF output power levels: 10 mW, 30 mW, and 50 mW. Higher power improves range; lower power reduces RF congestion when many wireless systems are operating in the same venue.

Q: Where can I purchase the SK 300 G4-RC and get support?

The SK 300 G4-RC is available in both AW+ and GW1 frequency variants at creationnetworks.net. Contact our team for frequency coordination advice, system design assistance, or compatibility questions.