sE Electronics
sE Electronics BL8 Cardioid Boundary Microphone
Best professional tool for capturing clear, detailed audio.
This boundary microphone is engineered for professional audio applications, delivering clear and direct sound. It features a half cardioid polar pattern and transformerless Class A circuitry for pristine audio capture. With a wide frequency range and high SPL handling, it excels in demanding environments. Integrated switches allow for precise sound shaping, including tonal character modes, a low-cut filter, and pre-attenuation pads, ensuring optimal performance for various recording and spoken word scenarios. It requires 48V phantom power for operation.
$233.69
Owner Satisfaction
4.7
/ 5
Category Rank
272
/ 3374
#272 in Microphones
Price vs Category Average
-66%
Below average
Polar Pattern
Half Cardioid
/ Half Cardioid
Who it's for
- Event organizers, educators, and broadcasters needing subtle audio capture
- Conference facilitators, panel hosts, and theater sound engineers
- Live sound engineers and AV professionals in reverberant venues
Who should skip it
- Musicians and podcasters seeking flexible, off-surface microphone positioning
- Studio engineers and vocalists requiring detailed, isolated sound capture
- Users in high-traffic areas or environments prone to physical disturbances
Performance breakdown
SPL Handling
Handles extremely loud sources without distortion, perfect for drums or percussion.
Build Quality
Rugged all-metal construction designed to survive the rigors of touring.
Sound Shaping
Versatile voicing modes and filters offer impressive control over tonal character.
Low-Frequency Accuracy
Delivers tight, precise bass response without the muddiness of lesser mics.
Form Factor
Compact, low-profile design fits easily into tight spaces or on stages.
Circuitry Performance
Transformerless Class A design ensures clean, transparent audio capture throughout.
Key Specs
Polar Pattern
Half Cardioid
Circuit
Transformerless Class A
Frequency Range
20 - 20,000 Hz
Sensitivity
25 mV/Pa (-32 dBV)
Max SPL
163 dB
Low-cut filter
80 or 160 Hz
Pad
10 or 20 dB
Character circuit
Classic and Modern modes
Know before you buy
The half-cardioid pattern is designed to focus on sound sources directly in front of the microphone while rejecting noise from the rear and sides. This makes it ideal for capturing clear audio on stages, conference tables, or inside kick drums without picking up unwanted room reflections.
Yes, the BL8 is built to handle extreme sound pressure levels up to 163 dB. Combined with its switchable 10 or 20 dB pads, it can easily manage the high-impact transients of a kick drum or other loud percussion instruments without distortion.
The character switch alters the internal circuitry to adjust the frequency response. The 'Classic' mode provides a warmer, more vintage-inspired tone, while the 'Modern' mode offers a more present, high-definition sound that helps sources cut through a dense mix.
The BL8 requires standard 48V phantom power to function, which is provided by most professional audio interfaces, mixers, and preamps. It is a transformerless design, so it delivers a very clean, transparent signal path.
Yes, the microphone features a two-position low-cut filter at 80 Hz or 160 Hz. These settings are useful for cleaning up muddy low frequencies or reducing handling noise when the mic is placed on a vibrating surface.
The BL8 is specifically designed to be compatible with Shu Flatz shockmounts. This is a great feature if you need to isolate the microphone from stage vibrations or surface-borne noise in a professional studio setup.
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