DPA Microphones MMB4188-DP-CS1-L 4188 CORE+ Cardioid Flex Mic (Brown)

Replacement Boom Arm for DPA 4188 Headset and Earset Systems

The DPA MMB4188-DP-CS1-L is a brown 120 mm cardioid boom microphone designed specifically for the 4188 headset and earset systems. Built with DPA’s CORE+ amplifier technology and a 5.4mm miniature capsule, this boom delivers consistent, distortion-free vocal clarity for performers, presenters, and speakers operating in live sound, broadcast, theater, and house of worship environments. It mounts seamlessly on either side of a compatible frame, allowing for user flexibility and discreet integration into professional audio setups.

Engineered for Broadcast and Live Audio Applications

Whether you're speaking in a high-pressure conference setting or performing under stage lights, this directional boom ensures your voice cuts through. The cardioid pickup pattern effectively rejects ambient noise and feedback, giving your voice priority even in challenging acoustic spaces. It is especially useful in noisy environments where consistent speech clarity is crucial, such as on-air talent settings or theatrical dialogue reinforcement.

Clarity and Detail with CORE+ Technology

This boom is equipped with DPA’s advanced CORE+ amplifier circuit, extending its dynamic range and reducing THD (total harmonic distortion) to nearly imperceptible levels. The mic maintains clear vocal reproduction up to 134 dB SPL RMS and peaks at 137 dB before hitting 1% distortion. For extremely high-output situations, it can tolerate peaks up to 144 dB SPL with only 10% THD. These specs make it well suited to speech-heavy environments without compromising intelligibility or tone.

Cardioid Pickup Pattern Focuses on the Voice

The built-in directional cardioid capsule enhances gain-before-feedback and off-axis noise rejection. This makes it an excellent choice for use in loud venues with foldback monitors or high ambient volume levels. It maintains vocal consistency even if the user moves slightly off-axis, ensuring reliable results in dynamic presentations and performances.

Fits Securely and Installs with Ease

The boom arm is designed for fast setup and seamless replacement on compatible 4188 headsets and earsets. It accommodates both left- and right-side mounting and remains visually discreet thanks to its slim profile and brown finish. This 120 mm version is the standard length for general-purpose use, striking a balance between placement flexibility and visual subtlety on stage or camera.

Built to Perform in Harsh Conditions

Durability is another strong point of the MMB4188-DP-CS1-L. Built with a double-vent protection system, it meets IP58 certification standards for moisture and dust resistance. This makes it suitable for humid environments, long performance days, and high-energy applications where gear is exposed to sweat, weather, or stage effects.