On-Stage Stands MSA9508 Posi-Lok Side-Mount Mini-Boom (Black)

Compact Side Boom for Precise Microphone Placement

The On-Stage Stands MSA9508 Posi-Lok Side Mount Boom is a compact 7-inch microphone boom designed to solve placement challenges in tight or crowded setups. It allows microphones to be positioned exactly where needed when standard boom arms or straight stands are too large or restrictive, making it a practical solution for drum kits, percussion rigs, and closely spaced instruments.

Ideal Solution for Tight and Hard-to-Reach Areas

This side mount boom is especially useful for drum miking, guitar cabinets, and other confined spaces where precision matters. Its short reach allows microphones to be positioned close to sound sources without cluttering the setup, helping engineers maintain clean sightlines and organized stage or studio layouts.

Secure Clutch Mount for Round Stand Shafts

The integrated clutch is designed to attach securely to most round microphone stands and hardware. A nylon-tipped tightening screw provides a strong grip without scratching or damaging stand shafts, ensuring reliable mounting while protecting your existing equipment.

Patented Posi-Lok Angle Control System

The boom features On-Stage’s patented Posi-Lok design, which uses dual interlocking discs with 52 precision-cut teeth. This mechanism ensures the boom stays firmly locked at the chosen angle, even during extended sessions or high-vibration environments. The system allows smooth angle adjustments and locks securely once set.

Wide Rotation Range for Flexible Setup Options

With up to 300 degrees of rotation, the MSA9508 provides flexibility when positioning microphones around drums, cymbals, and instrument hardware. This range makes it easy to fine-tune microphone angles without repositioning the main stand or disturbing nearby equipment.

Standard Threading for Broad Compatibility

A standard 5/8"-27 threaded end allows the boom to accept most microphone clips and shock mounts. This ensures compatibility with a wide range of microphones commonly used for instrument and drum applications.