Belt Pac

The WMB Belt Pac is a professional solution for securely placing wireless equipment in a way that is safe and comfortable for the performer. Each belt pac model has been customized to fit popular wireless transmitters and receivers.

The WMB Belt Pac is made with fabric covered Dri-Prene, a TPE foam with the softness and elasticity of rubber. The Belt Pac is durable, moisture-resistant, latex-free, machine washable, and quick drying. The exterior is treated with CleanSport NXT, a natural odor control agent bonded to the fabric surface that breaks down sweat and organic material.

A bi-directional belt loop allows the wireless unit to be positioned horizontally or vertically on a belt or shoulder harness. Hook and loop closures secure the antenna and audio connectors in place while protecting the equipment from moisture and minor handling abuse.

The Belt Pac v2 Label System uses low-profile hook and loop accessories for organization and cable management of lavalier microphones. The included WMB Label and Cable Disc are writeable with Sharpie or permanent marker. The accessories can be used to secure lavalier cables directly to a WMB Belt Pac.

Frequently Asked Questions

A WMB Belt Pac is a transmitter-specific pouch designed to hold a single bodypack wireless transmitter securely on a belt or shoulder harness during live performance. Unlike generic or universal pouches, each Belt Pac model is custom-fit to the exact dimensions of a specific transmitter, such as the Shure ULXD1, Sennheiser G3, or Lectrosonics SMQV, so the transmitter sits snugly without shifting. The hook-and-loop closures reinforce the antenna and mic connectors and the result is a more secure, lower-profile fit than a one-size-fits-all solution can provide.

Dri-Prene is a fabric-covered TPE (thermoplastic elastomer) foam made from recycled plastic that is used in the athletic industry for wearable support and protective equipment. It has the soft, flexible feel of rubber but is moisture-resistant, latex-free, machine washable, and quick-drying, which matters when transmitters are worn against a performer's skin during a hot show or a long run. The exterior of the Belt Pac is also treated with CleanSport NXT, a natural odor-control agent bonded to the fabric surface that breaks down sweat and organic material between washes.

Yes, Belt Pacs are machine washable. WMB recommends washing on a gentle cycle in cold water with mild detergent, with all Velcro fastened to prevent snagging. Washing in a lingerie or Mesh bag is advised for extra protection. The critical care note is that Belt Pacs must air dry only and should not be put in a dryer. After just 6 to 8 dryer cycles, the Dri-Prene foam can shrink enough to affect the fit around your equipment. Most pacs air dry within about 2 hours when hung from a hanger with the Velcro closed around it.

WMB makes a dedicated Belt Pac model to match specific transmitter sizes, named directly after it, for example Belt Pac v2 for Shure SLXD, Belt Pac v2 for Sennheiser G3, or Belt Pac v2 for Lectrosonics SMQV. Each product listing also notes compatible transmitters for other manufacturers or models that will fit the same size Belt Pac. To find the right model, search or match your transmitter's brand and model number to the corresponding filters on the Belt Pac collection page. If your transmitter is not listed, WMB's contact page offers troubleshooting assistance to help recommend a Belt Pac size for your gear..

Yes. The Belt Pac's bi-directional belt loop on most models allows the transmitter to be mounted either horizontally or vertically on a standard WMB belt or shoulder harness. This gives audio technicians flexibility to orient the transmitter for antenna clearance, performer comfort, or costume constraints. WMB's care instructions suggest pointing the antenna and mic cable toward the ground for best cable support, which typically means vertical orientation with the connector end down. Smaller Belt Pac models including the Lectrosonics SSM, Q5X PlayerMic, or Sennheiser 6212 have a single 1” wide belt loop and can be positioned horizontally using an Accessory Strap around a belt or harness.

The Belt Pac attaches to a separate elastic belt or shoulder harness via a built-in belt loop, making it easy to transfer between performers and wash independently. The Sew-In Pac is designed to be sewn directly into a garment, which is ideal for events where a visible external belt is not possible or where the transmitter needs to be permanently integrated into a costume or uniform. Sew-In Pacs can be washed in place and removed for reuse.. If you have the option of either, the Belt Pac offers more flexibility across productions; the Sew-In Pac offers better concealment.

Yes. The Belt Pac is not a waterproof sealed case, but it is specifically designed for the sweat-exposure realities of live performance, where transmitters are worn directly against a performer's skin for hours at a time. The hook-and-loop closures should be sealed around all the edges of the opening, especially at the antenna and mic connectors to reduce moisture exposure at these vulnerable points. For the most moisture protection possible, make sure sweat doesn’t directly run down lav cable into the transmitter by attaching the excess cable to the exterior with a Cable Disc or by orienting the Belt Pac with the cable opening toward the bottom, so the moisture can’t travel back up into the gear.

Yes. Belt Pac v2 models ship with two accessories: a WMB Label and a Cable Disc. Both are writable with Sharpie or permanent marker for identifying pacs by performer name or channel. The Cable Disc is a low-profile hook-and-loop organizer that can be used to manage lavalier cable slack directly on the Belt Pac itself. These are part of WMB's label-and-cable-management system, which is useful for productions managing multiple wireless channels.

Yes. WMB Belt Pacs are made from latex-free Dri-Prene TPE foam. This makes them safe for performers and crew members with latex sensitivities or allergies, which is a relevant consideration in theatrical and live-event environments where transmitters are worn directly against skin, sometimes for extended periods across multiple shows.

Yes. The belt loop on the Belt Pac fits the WMB Shoulder Harness as well as standard WMB elastic belts. The shoulder harness positions the transmitter high in the center of the wearer's back, which reduces movement and physical impact on the transmitter during performance. This placement is particularly useful for performers in costumes that make waist or hip placement impractical. The WMB Shoulder Harness is sold separately and comes in sizes XSmall through 2XLarge.