Behringer

Behringer SB 78A Cardioid Condenser Microphone

Name: Behringer SB 78A Cardioid Condenser Microphone
Brand: Behringer
SKU: SB 78A

★★★★★4.5 (110 reviews)

Condenser

A cardioid condenser with a presence-rise voicing and high signal output that cuts through a mix without EQ — purpose-built for voice and acoustic instruments.

$41.90*$45.16Save 7%

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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Behringer SB 78A is a cardioid condenser microphone voiced with a mid-frequency presence rise designed to serve vocal and acoustic instrument recording — the two most common close-miking applications in project studios, broadcast booths, and home recording setups. The presence boost, centered in the 2-8kHz band, adds definition and articulation to the attack transients of acoustic guitar strings and the consonant clarity of vocal performances, capturing the frequencies that allow a recorded source to sit naturally in a mix without additional presence EQ. The ultra-wide frequency response means low-frequency body and high-frequency air are both captured with accuracy, giving the recording a full tonal representation of the source rather than the bandwidth-limited character of some budget microphones.

The SB 78A operates in the entry-to-mid-level condenser category — a microphone for the content creator, podcaster, bedroom producer, or project studio engineer who needs reliable cardioid condenser performance without a boutique budget. The cardioid polar pattern's rear rejection makes it practical in semi-controlled environments where isolation from monitor bleed and room ambience is needed but full acoustic treatment isn't available. The high signal output means gain-limited preamps on budget interfaces don't have to push to their noisy extremes to achieve a strong recording level. The trade-offs are inherent to the condenser type and price tier: this is a quiet-room microphone, not a live stage or noisy-environment tool, and it requires 48V phantom power from whatever interface or mixer it connects to.

Key Features

Condenser cardioid microphone

Smooth mid-frequency presence rises for excellent voice, and acoustic guitars

Ultra-wide frequency response for brilliant and transparent sound

Emily high signal output lets your performance cut through

Cardioid characteristic minimizes background noise and feedback

Specifications

Microphone Type

Condenser

Polar Pattern

Cardioid

Frequency Response

Ultra-wide

Sound Characteristics

Smooth mid-frequency presence, brilliant and transparent sound

Output Signal

Emily high

Pros & Cons

👍 Pros

Mid-frequency presence rise adds natural vocal and acoustic guitar clarity at the recording stage, reducing the need for presence EQ boosts in the mix and preserving headroom
High signal output translates to usable gain staging at lower preamp gain settings, keeping thermal noise from the preamp further below the signal floor
Cardioid polar pattern provides rear rejection that limits bleed from monitor speakers and ambient room noise in live or semi-treated recording environments
Ultra-wide frequency response captures transient detail at both the low-frequency body of acoustic instruments and the upper-frequency air above 10kHz that gives voices and guitars their lifelike quality
Condenser capsule responds to fast transients — pick attacks, consonant pops, and note onsets — with greater accuracy than dynamic microphones at equivalent price points

👎 Cons

Condenser design requires 48V phantom power — the SB 78A cannot be used with interfaces, recorders, or consoles that do not supply phantom power, eliminating portable handheld recorder use cases
High sensitivity to room acoustics means the SB 78A exposes problems in untreated recording environments that a less sensitive dynamic microphone would partially obscure
No high-pass filter switch or pad attenuator means adjustments for low-frequency buildup or high-SPL sources must be handled entirely at the interface or in the DAW
The ultra-wide frequency response that benefits clean sources also captures background noise and HVAC hum with equal transparency — demanding acoustic environments for optimal results
Build quality at the Behringer price point is functional but reflects cost engineering — long-term durability under road or frequent-session use may not match boutique condenser construction

Frequently Asked Questions

Does the Behringer SB 78A require phantom power, and at what voltage does it operate optimally?

Yes, as a condenser microphone the SB 78A requires phantom power — standard 48V phantom power supplied by virtually all audio interfaces, mixers, and preamps. Confirm your interface provides 48V phantom power before connecting; operating a condenser below its rated phantom voltage can cause reduced output and altered frequency response.

How does the cardioid polar pattern on the SB 78A behave at close range for vocals, and should I expect proximity effect?

Cardioid condenser microphones exhibit proximity effect — a bass frequency buildup as the source moves within 6-12 inches of the capsule. For close-miked vocals, this can add warmth and body to the low-mid frequencies, but at very close range (under 4 inches) bass buildup may require a low-cut filter on your interface or DAW. Position vocalists at 6-10 inches for the balanced response the SB 78A is voiced for.

Will the SB 78A's cardioid pattern adequately reject room noise in an untreated room?

Cardioid pattern rejection occurs at the rear null (180°) and tapers off toward the sides. In an untreated room with parallel walls and early reflections, a cardioid mic captures more room character than a supercardioid or hypercardioid. The SB 78A's rejection is best at the rear — position it with the rear null facing the dominant reflection source for maximum isolation.

What does the smooth mid-frequency presence rise actually do to acoustic guitar recordings?

A presence rise in the 2-8kHz range adds clarity and articulation to the pick attack and string definition on acoustic guitar — the frequencies that make the instrument cut through a mix without needing to boost EQ post-recording. For solo acoustic work or sparse arrangements, this voiced boost is a production advantage. In dense mix contexts, a neutral microphone may give more post-production flexibility.

Is the SB 78A suitable for podcast or voiceover use, or is it optimized more for instrument recording?

The cardioid pattern and vocal-focused presence rise make it suitable for both applications. For podcast use, be aware that condenser microphones are more sensitive than dynamic microphones — they pick up computer fans, HVAC noise, and room reflections more readily. Use in a treated space or with acoustic treatment panels behind the speaker for the cleanest voiceover results.