
Sennheiser
Sennheiser 504287 K6 Microphone Powering Module
The Sennheiser K6 powering module turns a single XLR cable into a modular platform — swap capsule heads to match any polar pattern the session demands.
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Overview
Key Features
Switchable bass roll-off filter protects against rumble, handling, pop and wind noise
On/off switch with battery test position
High output low noise
Transformerless balanced output on 3-pin XLR connector
2 year warranty
Specifications
Powering
1.5V AA battery (internal) or 12–48V phantom power
Connector
3-pin XLR
Finish
Matt black, anodized scratch-resistant
Item Weight
1.3 pounds
Dimensions
5.3 x 2.6 x 13.8 inches
Compatibility
K6-series capsule heads
Frequently Asked Questions
What powering options does the K6 module accept, and does it need phantom power at the preamp?
The K6 accepts either an internal 1.5V AA battery or 12–48V phantom power via its 3-pin XLR output connector. This dual-powering flexibility means the module works on phantom-equipped preamps and interfaces, and also operates fully off a single AA cell for wireless-adjacent setups or field recording rigs where phantom isn't available.
Does the K6 module itself color the sound, or is the sonic character determined entirely by the capsule head?
The K6 module is an active amplifier and impedance-converting body — its own contribution to the signal chain is intentionally neutral. Sonic character, polar pattern, and frequency response are entirely determined by the attached K6-series capsule head. This is by design: the modular philosophy means one investment in the module, then capsule-specific voicing.
Will the K6 module introduce noise problems at high gain on a budget preamp?
Self-noise is predominantly a capsule characteristic on this system; the K6 body's electronics are designed to a professional standard. That said, with high-sensitivity capsule heads, a preamp with excessive noise floor or insufficient headroom can introduce artifacts — the K6 module itself is not the limiting factor, but the quality of the downstream preamp chain matters.
What weight and form factor should I expect for mounting or handheld use?
The K6 module weighs 1.3 pounds and measures approximately 5.3 x 2.6 x 13.8 inches. That form factor is appropriate for boom pole mounting, mic stand use, or handheld interviews. It's not ultralight, but the weight is manageable for extended boom operation.
Is the K6 module compatible with all Sennheiser capsule heads?
The K6 module is compatible with the K6 series capsule family. It is not a universal mount for all Sennheiser microphone capsules — confirm K6-series compatibility before purchasing capsule heads separately.