AKG PZM11 LL Professional Flush Mount Boundary Layer Microphone
Description
AKG PZM11 LL Professional Flush Mount Boundary Layer Microphone
The PZM11 LL is a compact boundary layer microphone engineered for live sound reinforcement and stage capture where a low-profile footprint is essential. Its flush-mount design sits tight against surfaces—ideal for mounting on acoustic shells, drum rims, or stage platforms—while direct screw-terminal connectivity eliminates bulky connectors that can clutter a rig. Intelligent frequency shaping rolls off HVAC rumble and stage floor noise without muddying the clarity needed for acoustic instruments and vocals.
Design & Build
Measuring just 115 mm long by 70 mm wide and 29 mm tall, this microphone integrates seamlessly into any mounting surface with its off-white finish and compact form factor. At only 71 grams, it places minimal stress on mounting hardware while the rear-plate electronics and screw terminals provide direct integration into standard audio installations.
Audio Performance
The PZM11 LL delivers a 68 dB-A signal-to-noise ratio with a 26 dB-A equivalent noise floor, ensuring clean capture even in moderately ambient stage environments. Its 80–20,000 Hz frequency response includes a low-end rolloff to suppress HVAC and environmental noise, paired with a subtle high-frequency boost that enhances instrument presence and cuts through a full mix.
Key Features
- Flush-mount boundary layer design for minimal visibility
- Frequency response: 80–20,000 Hz
- Sensitivity: 5 mV/Pa
- Signal-to-noise ratio: 68 dB-A
- Equivalent noise level: 26 dB-A
- Powered by 12–48V phantom power
- Screw-terminal rear-plate electronics; no external connectors required
- Low-frequency rolloff reduces HVAC and environmental rumble
- Subtle high-frequency boost for enhanced clarity
- Compact dimensions: 115 × 70 × 29 mm
- Lightweight at 71 grams
- Off-white finish
- Mic-level output
The PZM11 LL excels in live gigging and studio recording where surface-mounted audio capture must remain unobtrusive while delivering consistent, instrument-optimized performance.
More Information
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At a Glance
The AKG PZM11 LL is a compact, flush-mount boundary microphone built to sit directly on tables, podiums, and surfaces with minimal visual footprint—ideal for live events, presentations, and installations where discretion matters. Its screw-terminal rear-plate design eliminates bulky connectors, while intelligent low-frequency rolloff cuts HVAC rumble and a presence peak keeps speech clear and intelligible on stage or in the venue. Choose it when you need reliable, surface-mounted capture that disappears into the room and stays out of your sightlines.
Frequently Asked Questions
What does 'boundary layer' mean and why does it matter?
Boundary layer design means the microphone sits flush against a surface (table, wall, podium) rather than hanging in free space, which controls reflections and phase issues that normally muddy capture. This approach is industry standard for conference tables, installed venues, and any application where the mic must be part of the furniture rather than a visible element.
Does this mic require phantom power, and what do I need to connect it?
Yes, it runs on 12–48V phantom power supplied from your mixer or interface. It uses screw-terminal rear-plate connectors instead of standard XLR or 3.5 mm jacks, so you'll need to wire it directly into a terminal block or pre-wired installation—no external connectors to fumble with.
Will the low-frequency rolloff cut out bass in my vocal or speech recording?
The rolloff specifically targets HVAC hum and air-conditioning noise below the speech fundamental range; it won't hollow out normal vocal tone. A subtle high-frequency boost actually enhances clarity and presence in dialogue, so speech stays bright and intelligible.
How small is this microphone, and will it mount easily on my table or podium?
At 115 × 70 × 29 mm and only 71 grams, it's compact enough to sit discretely on any surface. Screw-terminal mounting means you integrate it directly into your installation without visible stand hardware—perfect for applications where the microphone should blend into the environment.
What kind of noise performance does this deliver in a moderately noisy room?
It achieves a 68 dB-A signal-to-noise ratio with a 26 dB-A equivalent noise floor, so it captures clean dialogue and speech even in rooms with moderate ambient noise. The built-in low-frequency rolloff helps further by eliminating rumble that would otherwise degrade clarity.