13 Highlights 83 Differences 0 Reactions 0 Likes

Electro Voice ULM21 Facts: 123 Specifications & 13 Highlights

Still unsure about the Electro Voice ULM21? These 123 specs & features — like the popular general information, dimensions & weight, audio performance & connectivity & interfaces — could help lock in your decision.

19 Points
Electro Voice
Electro Voice
Electro Voice ULM21
Electro Voice ULM21

Highlights 13

No extras. Just what matters.
19 Points

Why is Electro Voice ULM21 better than other microphones ?

General Information

Scroll down for more facts

Dimensions & Weight

Scroll down for more facts

Audio Performance

Scroll down for more facts

Certification & Compliance

Scroll down for more facts

Quick Take

The essentials that matter—nothing extra

A fast snapshot of the Electro Voice ULM21, covering its standout specification and what you can expect right out of the box.

Electro Voice ULM21
Electro Voice ULM21

The Electro-Voice ULM21 is a wireless lavalier microphone system designed for presentations, broadcasts, and live events. It provides reliable wireless audio, clear speech reproduction, and easy setup for professional mobile use.

Specifications & Facts 123

Specs measured. Drama avoided.

See how the Electro Voice ULM21 microphone performs based on 123 features, community-voted general information, dimensions & weight, audio performance & connectivity & interfaces, and real-world comparisons with other microphones.

General Information 16

Electro Voice ULM21 Model Name

What is the model name?

58 Electro Voice ULM21 0 Votes ULM21

66 Microphones in this range Super 55 Deluxe

Electro Voice ULM21
Electro Voice ULM21

This product is identified by the model name ULM21, part of the Electro-Voice microphone series.

The specific product identifier from the manufacturer.

Electro Voice ULM21 Intended Use

What is the intended use?

59 Electro Voice ULM21 0 Votes Presentation, Broadcast, Video Recording, Voice Recording, Live

62 Microphones in this range Studio, Live, Podcast, Broadcast, Instrument, Streaming

Electro Voice ULM21
Electro Voice ULM21

The ULM21 is well-suited for a range of applications, including Presentation, Broadcast, Video Recording, Voice Recording, and Live events, making it a versatile tool for various content creation needs.

Describes the primary application area.

Electro Voice ULM21 Form Factor

What is the form factor?

61 Electro Voice ULM21 0 Votes Lavalier

50 Microphones in this range Handheld

Electro Voice ULM21
Electro Voice ULM21

Designed as a Lavalier microphone, it is intended to be clipped onto clothing for hands-free operation and discreet placement.

Describes the physical style of the microphone.

Electro Voice ULM21 Color Options

What are the color options?

76 Electro Voice ULM21 0 Votes Black

78 Microphones in this range Black

Electro Voice ULM21
Electro Voice ULM21

The ULM21 is available in a Black finish, offering a classic and discreet appearance suitable for various settings.

Available product colors.

Electro Voice ULM21 Recording Application Category

What recording applications is it best for?

63 Electro Voice ULM21 0 Votes Broadcast, Live, Field Recording

70 Microphones in this range Studio, Live, Podcast, Broadcast, Streaming

Electro Voice ULM21
Electro Voice ULM21

The Electro-Voice ULM21 microphone is designed for versatility across various recording scenarios, including Broadcast, Live performances, and Field Recording.

Specific contexts where the mic is best suited.

Electro Voice ULM21 Product Type

What is the product type?

66 Electro Voice ULM21 0 Votes Condenser

62 Microphones in this range Condenser

Defines the basic category of the microphone.

Dimensions & Weight 7

Electro Voice ULM21 Height

What is the height?

0.93 inch 0Votes
Electro Voice ULM21
5.58 inch (Average)

Electro Voice ULM21
Electro Voice ULM21

With a height of 0.8 inch (2.03 cm), the microphone's small size allows for discreet placement.

The microphone’s overall height.

Electro Voice ULM21 Cable Length

What is the cable length?

3.9 ft 0Votes
Electro Voice ULM21
7.95 ft (Average)

Electro Voice ULM21
Electro Voice ULM21

The microphone comes with a 3.9 ft (1.19 meters) cable, providing a standard length for connecting to a power module or wireless transmitter.

Length of the included or integrated cable.

Electro Voice ULM21 Capsule Diameter

What is the capsule diameter?

0.4 inch 0Votes
Electro Voice ULM21
133.63 inch (Average)

Electro Voice ULM21
Electro Voice ULM21

The microphone features a capsule with a diameter of 0.4 inch (1.02 cm), contributing to its compact form factor suitable for discreet placement.

The diameter of the microphone capsule.

Electro Voice ULM21 Capsule Length

What is the capsule length?

0.8 inch 0Votes
Electro Voice ULM21
2.32 inch (Average)

Electro Voice ULM21
Electro Voice ULM21

The capsule has a length of 0.8 inch (2.03 cm), contributing to the overall compact dimensions of the lavalier microphone.

The length of the microphone capsule.

Electro Voice ULM21 Width

What is the width?

0.41 inch 0Votes
Electro Voice ULM21
2.6 inch (Average)

The microphone’s overall width.

Electro Voice ULM21 Depth

What is the depth?

0.41 inch 0Votes
Electro Voice ULM21
2.8 inch (Average)

The microphone’s overall depth.

Audio Performance 17

Electro Voice ULM21 Microphone Type

What is the microphone type?

76 Electro Voice ULM21 0 Votes Condenser

65 Microphones in this range Condenser

Electro Voice ULM21
Electro Voice ULM21

This is a Condenser microphone, known for its sensitivity and wide frequency response, making it ideal for capturing nuanced audio.

Defines the operating principle of the microphone.

Electro Voice ULM21 Capsule Type

What is the capsule type?

84 Electro Voice ULM21 0 Votes Electret

75 Microphones in this range Electret

Electro Voice ULM21
Electro Voice ULM21

The ULM21 utilizes an Electret condenser capsule, known for its compact size and often used in lavalier and miniature microphones.

Specifies the capsule style that influences sound capture.

Electro Voice ULM21 Frequency Response (Max)

What is the maximum frequency response?

16,000 Hz 0Votes
Electro Voice ULM21
18,026.51 Hz (Average)

Electro Voice ULM21
Electro Voice ULM21

The microphone captures high frequencies up to 16000 Hz, ensuring clear and detailed reproduction of vocals and instruments.

The highest frequency the mic can capture.

Electro Voice ULM21 Sensitivity

What is the sensitivity?

-52 dBV/Pa 0Votes
Electro Voice ULM21
-42.85 dBV/Pa (Average)

Electro Voice ULM21
Electro Voice ULM21

With a sensitivity of -52 dBV/Pa, this microphone requires a moderate amount of gain from a preamp to achieve a robust signal level.

Output level relative to sound pressure.

Electro Voice ULM21 Equivalent Noise Level

What is the equivalent noise level?

28 dB 0Votes
Electro Voice ULM21
22.24 dB (Average)

Electro Voice ULM21
Electro Voice ULM21

The microphone has an equivalent noise level of 28 dB, indicating the inherent electronic noise generated by the microphone itself, which is a moderate level for a condenser microphone.

The self-noise generated by the microphone.

Electro Voice ULM21 Output Impedance

What is the output impedance?

250 ohm 0Votes
Electro Voice ULM21
311.71 ohm (Average)

Electro Voice ULM21
Electro Voice ULM21

With an output impedance of 250 ohm, the microphone is designed to work efficiently with most professional microphone preamps, ensuring signal integrity.

Electrical resistance of the microphone’s output.

Connectivity & Interfaces 10

Electro Voice ULM21 Audio Output Options

What are the audio output options?

0 Electro Voice ULM21 0 Votes Analog, Balanced

36 Microphones in this range Analog, Balanced

Electro Voice ULM21
Electro Voice ULM21

The microphone offers Analog and Balanced audio output options, which are standard for professional audio connections, minimizing noise over cable runs.

Lists output signal formats available.

Electro Voice ULM21 Phantom Power Support

Does it support phantom power?

Yes 0Votes Electro Voice ULM21

Yes Microphones in this range

Electro Voice ULM21
Electro Voice ULM21

The microphone supports phantom power, which is necessary for its operation and typically supplied via an XLR cable from a mixer or audio interface.

Whether the mic supports phantom power.

Electro Voice ULM21 Balanced/Unbalanced Output

What is the output type?

0 Electro Voice ULM21 0 Votes Balanced

37 Microphones in this range Balanced

Electro Voice ULM21
Electro Voice ULM21

The microphone features a Balanced output, which helps to reduce noise and interference over longer cable runs, crucial for professional audio setups.

Defines the type of electrical signal output.

Electro Voice ULM21 Connection Interface

What is the connection interface?

26 Electro Voice ULM21 0 Votes XLR

37 Microphones in this range XLR

Defines the main interface for connectivity.

Electro Voice ULM21 XLR Pin Configuration

What is the XLR pin configuration?

0 Electro Voice ULM21 0 Votes Standard

39 Microphones in this range Standard

Specifies XLR wiring configuration.

Electro Voice ULM21 Cable Detachable

Is the cable detachable?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Whether the cable can be detached or replaced.

Power & Battery 6

Electro Voice ULM21 Power Source

What is the power source?

0 Electro Voice ULM21 0 Votes Phantom, Powering Module

37 Microphones in this range Phantom

Electro Voice ULM21
Electro Voice ULM21

The microphone can be powered by Phantom power or through a dedicated Powering Module, offering flexibility depending on your audio setup.

Defines how the microphone is powered.

Electro Voice ULM21 Phantom Power Requirement

What is the phantom power requirement?

9 Volt 0Votes
Electro Voice ULM21
43.91 Volt (Average)

Electro Voice ULM21
Electro Voice ULM21

The microphone requires a phantom power supply of 9 Volt to operate, which is typically provided by mixers, audio interfaces, or dedicated power supplies.

Specifies the phantom power voltage needed.

Electro Voice ULM21 External Power Supply Compatibility

Is it compatible with an external power supply?

Yes 0Votes Electro Voice ULM21

Yes Microphones in this range

Electro Voice ULM21
Electro Voice ULM21

The microphone is compatible with an external power supply, offering flexibility in powering options beyond its internal module.

Can the mic run on external AC/DC supply.

Electro Voice ULM21 Auto Power-Off

Does it have auto power-off?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Whether the microphone shuts down automatically when idle.

Electro Voice ULM21 Replaceable Battery Support

Does it support replaceable batteries?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Indicates if batteries can be swapped.

Electro Voice ULM21 Power Indicator Light

Does it have a power indicator light?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Whether a light shows power/battery status.

Controls & Features 17

Electro Voice ULM21 Mute Function

Does it have a mute function?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Ability to mute audio directly on the mic.

Electro Voice ULM21 Gain Control

Does it have gain control?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Ability to adjust input gain directly.

Electro Voice ULM21 Headphone Monitoring

Does it support headphone monitoring?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Direct monitoring via headphone output.

Electro Voice ULM21 Monitoring Mix Control

Does it have monitoring mix control?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Lets user adjust mic vs playback audio mix.

Electro Voice ULM21 Touch/Motion Controls

Does it support touch/motion controls?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Allows interaction via touch gestures or motion.

Electro Voice ULM21 LED Indicator Lights

Does it have LED indicators?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Lights that show status such as mute, levels, or power.

Build & Design 17

Electro Voice ULM21 Finish/Coating

What finish/coating does it have?

0 Electro Voice ULM21 0 Votes Rugged Metal

33 Microphones in this range Matte

Electro Voice ULM21
Electro Voice ULM21

The microphone features a Rugged Metal finish, ensuring durability and resistance to wear in professional use.

Exterior treatment or surface finish.

Electro Voice ULM21 Body Material

What is the body material?

0 Electro Voice ULM21 0 Votes Metal

36 Microphones in this range Metal

The main structural material of the microphone body.

Electro Voice ULM21 Windscreen

Is a windscreen included?

Yes 0Votes Electro Voice ULM21

Yes Microphones in this range

Whether a windscreen is included for wind noise control.

Electro Voice ULM21 Detachable Mount

Is the mount detachable?

Yes 0Votes Electro Voice ULM21

Yes Microphones in this range

If the mount can be detached for flexibility.

Electro Voice ULM21 Internal Shockmount

Is there an internal shockmount for the capsule?

Yes 0Votes Electro Voice ULM21

Yes Microphones in this range

Capsule isolation that reduces handling noise.

Electro Voice ULM21 Shock Mount

Is a shock mount included?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Whether a shock mount is included to reduce vibrations.

Package & Accessories 13

Electro Voice ULM21 Carrying Case

Is there a carrying case included?

Yes 0Votes Electro Voice ULM21

Yes Microphones in this range

Electro Voice ULM21
Electro Voice ULM21

A carrying case is included with the microphone, providing convenient and safe storage or transport.

Whether a protective carrying case is part of the package.

Electro Voice ULM21 Mounting Clip

Is a mounting clip included?

Yes 0Votes Electro Voice ULM21

Yes Microphones in this range

Electro Voice ULM21
Electro Voice ULM21

A mounting clip is provided with the microphone, essential for attaching it securely to clothing or other surfaces.

Whether a clip for attaching to stands/instruments is included.

Electro Voice ULM21 Optional Windshield Model

What is the recommended windshield model?

0 Electro Voice ULM21 0 Votes WLM21

39 Microphones in this range WSPL-2

Electro Voice ULM21
Electro Voice ULM21

An optional WLM21 windshield is available for this microphone, which helps to reduce unwanted wind noise and plosives during recording.

Manufacturer-recommended windshield model.

Electro Voice ULM21 Stand/Tripod

Is a stand/tripod included?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Whether a stand or tripod is included in the box.

Electro Voice ULM21 Cables

Are cables included?

Yes 0Votes Electro Voice ULM21

Yes Microphones in this range

Indicates if connecting cables are provided.

Electro Voice ULM21 Adapters

Are adapters included?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

States if adapter(s) are included (e.g., XLR to 3.5mm).

Certification & Compliance 6

Electro Voice ULM21 Warranty

What is the warranty period?

3 years 0Votes
Electro Voice ULM21
2.36 years (Average)

Electro Voice ULM21
Electro Voice ULM21

The product comes with a 3-year warranty, offering assurance regarding its quality and durability.

Duration of manufacturer warranty coverage.

Electro Voice ULM21 Safety Compliance

Is it safety compliant?

Yes 0Votes Electro Voice ULM21

Yes Microphones in this range

Indicates adherence to safety regulations.

Electro Voice ULM21 Environmental Compliance

Is it environmentally compliant?

Yes 0Votes Electro Voice ULM21

Yes Microphones in this range

Compliance with eco/environmental regulations.

Electro Voice ULM21 FCC/CE Approval

Is it FCC/CE approved?

Yes 0Votes Electro Voice ULM21

Yes Microphones in this range

Explicit FCC/CE compliance approval.

Electro Voice ULM21 RoHS Compliance

Is it RoHS compliant?

Yes 0Votes Electro Voice ULM21

Yes Microphones in this range

Restriction of Hazardous Substances directive compliance.

Electro Voice ULM21 Professional Broadcast Certification

Is it broadcast certified?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Indicates if the mic meets pro broadcast standards.

Advanced Features 14

Electro Voice ULM21 Multi-Pattern Switching

Does it support multi-pattern switching?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Ability to switch between multiple pickup patterns.

Electro Voice ULM21 DSP Processing

Does it include DSP processing?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Built-in digital signal processing for sound shaping.

Electro Voice ULM21 Surround Capture Mode

Does it support surround capture?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Ability to capture immersive 360° or surround sound.

Electro Voice ULM21 Firmware Upgrade Support

Does it support firmware upgrades?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Ability to update functionality via firmware.

Electro Voice ULM21 Dual Capsule Blending

Does it support dual capsule blending?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

Blends outputs of dual capsules for tonal flexibility.

Electro Voice ULM21 AI Noise Cancellation

Does it feature AI noise cancellation?

No 0Votes Electro Voice ULM21

Yes Microphones in this range

AI-powered suppression of background noise.

Surveys

Because hot takes deserve votes.

Electro Voice ULM21 Sound Quality

How would you rate the sound quality of this microphone?

Crisp and professional 0Votes
Good and clear 0Votes
Average clarity 0Votes
Distorted and unclear 0Votes

Electro Voice ULM21 Noise Handling

How well does this microphone handle background noise?

Blocks out most noise 0Votes
Handles noise fairly well 0Votes
Reduces some noise 0Votes
Picks up everything 0Votes

Electro Voice ULM21 Battery Life

How long does the battery last on this microphone?

Excellent — Over 20 hours 0Votes
Long lasting — 10 to 20 hours 0Votes
Decent — 5 to 10 hours 0Votes
Short — 2 to 5 hours 0Votes
Very short — Under 2 hours 0Votes

Electro Voice ULM21 Durability

How durable is this microphone based on build and lifespan?

Highly durable — Over 4 years 0Votes
Solid — 2 to 4 years 0Votes
Average — 1 to 2 years 0Votes
Very fragile — Less than 1 year 0Votes

Electro Voice ULM21 Weight

How heavy is this microphone?

Ultra-light — Under 150 grams 0Votes
Lightweight — 150 to 300 grams 0Votes
Medium — 300 to 500 grams 0Votes
Heavy — 500 to 800 grams 0Votes
Very heavy — Over 800 grams 0Votes

Electro Voice ULM21 Design Appeal

How attractive is the design of this microphone?

Plain and boring 0Votes
Somewhat okay 0Votes
Nice looking 0Votes
Stylish and modern 0Votes

Electro Voice ULM21 Pricing

How do you feel about the price of this microphone?

Great value for money 0Votes
Pretty good price 0Votes
Fair deal 0Votes
Kinda pricey 0Votes
Crazy expensive 0Votes

Electro Voice ULM21 Sensitivity

How sensitive is this microphone to capturing sound?

Very sensitive — Detects quiet sounds clearly 0Votes
Sensitive — Captures a wide sound range 0Votes
Moderate — Picks up normal voice levels well 0Votes
Low — Needs to be close to sound source 0Votes
Very low — Struggles to capture soft voices 0Votes

Electro Voice ULM21 Frequency Response Range

What do you think about the frequency response range of this microphone?

Wide range — 20 Hz to 20 kHz 0Votes
Good range — 30 Hz to 18 kHz 0Votes
Decent range — 40 Hz to 16 kHz 0Votes
Limited range — 50 Hz to 14 kHz 0Votes
Narrow range — Above 60 Hz only 0Votes

Electro Voice ULM21 Connectivity

How stable and reliable is the connection of this microphone?

Excellent — Always stable, no dropouts 0Votes
Good — Works smoothly with rare issues 0Votes
Decent — Occasional minor disconnections 0Votes
Weak — Disconnects sometimes 0Votes
Poor — Frequently loses connection 0Votes

Reviews 0

The good, the bad, and the brutally honest.

Average Rating

Electro Voice
Electro Voice
Electro Voice ULM21
Electro Voice ULM21
0 / 5 0 Reviews

Discussions 0

Thoughts, takes, and hot debates.

Awards 0

Only the best made it here.
Peep the Winners

Collections 0

Treasures You’ve picked. No fluff, all fun.

More Microphones 44

Unlock more awesome finds.

Microphones like Electro Voice ULM21 1

Other Electro Voice Microphones 43

Electro Voice ULM21
Electro Voice
Electro Voice
Electro Voice ULM21