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Sennheiser MD 421 II Facts: 115 Specifications & 32 Highlights

How does the Sennheiser MD 421 II stack up? With 115 specs including general information, dimensions & weight, audio performance & connectivity & interfaces, it might just be your next studio essential.

43 Points
Sennheiser MD 421 II

Highlights 32

No extras. Just what matters.
43 Points

Why is Sennheiser MD 421 II better than other microphones ?

General Information

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Dimensions & Weight

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Audio Performance

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Connectivity & Interfaces

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Controls & Features

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Build & Design

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Package & Accessories

  • Includes Mounting Clip with a difference of 34.0 points
  • Spare Parts Supported with a difference of 31.0 points
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Certification & Compliance

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Comparisons 1

Make your choice now!

Quick Take

The essentials that matter—nothing extra

A fast snapshot of the Sennheiser MD 421 II, covering its standout specification and what you can expect right out of the box.

Sennheiser MD 421 II
Sennheiser MD 421 II

The Sennheiser MD 421-II is a legendary dynamic microphone known for its clear, powerful sound. Its large diaphragm and adjustable bass make it ideal for vocals, instruments, and broadcasting.

Specifications & Facts 115

Specs measured. Drama avoided.

Is the Sennheiser MD 421 II worth it? Compare its 115 specs — including the well-loved general information, dimensions & weight, audio performance & connectivity & interfaces — plus price and performance vs other microphones.

General Information 17

Sennheiser MD 421 II Intended Use

What is the intended use?

71 Sennheiser MD 421 II 0 Votes Studio, Live, Broadcast

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

Sennheiser MD 421 II
Sennheiser MD 421 II

Performs well for vocals, instruments, and spoken word. It’s versatile for recording, live shows, or broadcast applications.

Describes the primary application area.

Sennheiser MD 421 II Form Factor

What is the form factor?

46 Sennheiser MD 421 II 0 Votes Handheld

33 Microphones in this range Handheld

Sennheiser MD 421 II
Sennheiser MD 421 II

Can be held by hand but is mainly used on stands or boom arms. The tubular body makes positioning easy in studios or live stages.

Describes the physical style of the microphone.

Sennheiser MD 421 II Compatibility

Which devices or platforms are compatible?

8 Sennheiser MD 421 II 0 Votes Mixer, Audio Interface, PA System

32 Microphones in this range Mixer, Audio Interface, PA System

Lists supported platforms and devices.

Sennheiser MD 421 II Product Type

What is the product type?

56 Sennheiser MD 421 II 0 Votes Dynamic

38 Microphones in this range Condenser

Defines the basic category of the microphone.

Sennheiser MD 421 II Model Name

What is the model name?

67 Sennheiser MD 421 II 0 Votes MD 421 II

34 Microphones in this range Super 55 Deluxe

The specific product identifier from the manufacturer.

Sennheiser MD 421 II Country of Origin

What is the country of origin?

76 Sennheiser MD 421 II 0 Votes Germany

37 Microphones in this range China

Manufacturing or design origin.

Dimensions & Weight 8

Sennheiser MD 421 II Width

What is the width?

1.81 inch 0Votes
Sennheiser MD 421 II
2.83 inch (Average)

Sennheiser MD 421 II
Sennheiser MD 421 II

That’s about 4.6 cm, roughly the diameter of a large marker pen. It’s compact enough to fit comfortably in most standard mic clips.

The microphone’s overall width.

Sennheiser MD 421 II Depth

What is the depth?

1.93 inch 0Votes
Sennheiser MD 421 II
3.38 inch (Average)

Sennheiser MD 421 II
Sennheiser MD 421 II

Equal to about 4.9 cm, giving the microphone a solid cylindrical shape. This depth contributes to its balanced weight and easy mounting on stands.

The microphone’s overall depth.

Sennheiser MD 421 II Height

What is the height?

8.46 inch 0Votes
Sennheiser MD 421 II
7.42 inch (Average)

Sennheiser MD 421 II
Sennheiser MD 421 II

Converts to roughly 21.5 cm, similar in length to a typical handheld stage mic. It’s long enough to handle easily yet compact for broadcast setups.

The microphone’s overall height.

Sennheiser MD 421 II Weight

What is the weight?

0.85 lbs 0Votes
Sennheiser MD 421 II
1.23 lbs (Average)

Sennheiser MD 421 II
Sennheiser MD 421 II

That’s approximately 0.39 kg, about the weight of a can of soda. It’s light enough for long sessions without stressing your mic stand.

The microphone’s physical weight.

Sennheiser MD 421 II Package Width

What is the package width?

2.7 inch 0Votes
Sennheiser MD 421 II
8 inch (Average)

The shipping package’s width.

Sennheiser MD 421 II Package Depth

What is the package depth?

13.7 inch 0Votes
Sennheiser MD 421 II
6.91 inch (Average)

The shipping package’s depth.

Audio Performance 14

Sennheiser MD 421 II Frequency Response (Min)

What is the minimum frequency response?

30 Hz 0Votes
Sennheiser MD 421 II
32.93 Hz (Average)

Sennheiser MD 421 II
Sennheiser MD 421 II

Captures deep low-end frequencies like bass or kick drums. It adds fullness and warmth to instruments and vocals.

The lowest frequency the mic can capture.

Sennheiser MD 421 II Frequency Response (Max)

What is the maximum frequency response?

17,000 Hz 0Votes
Sennheiser MD 421 II
19,036.47 Hz (Average)

Sennheiser MD 421 II
Sennheiser MD 421 II

Extends up to 17 kHz, providing clear high-end detail. This ensures articulation and brightness for vocals and instruments.

The highest frequency the mic can capture.

Sennheiser MD 421 II Output Impedance

What is the output impedance?

250 ohm 0Votes
Sennheiser MD 421 II
486.28 ohm (Average)

Sennheiser MD 421 II
Sennheiser MD 421 II

Standard impedance for dynamic microphones in studio and live use. It maintains signal strength even with long XLR cables.

Electrical resistance of the microphone’s output.

Sennheiser MD 421 II Acoustic Principle

What is the acoustic principle?

56 Sennheiser MD 421 II 0 Votes Pressure Gradient

34 Microphones in this range Pressure Gradient

Sennheiser MD 421 II
Sennheiser MD 421 II

Uses a pressure-gradient transducer for natural sound pickup. It delivers a balanced, full-bodied tone.

The underlying sound capture mechanism.

Sennheiser MD 421 II Transformer/Transformerless Design

What design does it use?

36 Sennheiser MD 421 II 0 Votes Transformer

42 Microphones in this range Transformerless

Sennheiser MD 421 II
Sennheiser MD 421 II

Features a built-in transformer for balanced output. This reduces hum and interference in professional setups.

The electrical coupling approach used.

Sennheiser MD 421 II Minimum Terminating Impedance

What is the minimum terminating impedance?

200 Ω 0Votes
Sennheiser MD 421 II
838.44 Ω (Average)

Sennheiser MD 421 II
Sennheiser MD 421 II

Matches standard professional specifications for dynamic microphones. It ensures a clean signal when paired with mixers or preamps.

The minimum load impedance required for optimal microphone performance and to avoid signal distortion.

Connectivity & Interfaces 7

Sennheiser MD 421 II Cable Detachable

Is the cable detachable?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Sennheiser MD 421 II
Sennheiser MD 421 II

This mic actually has a detachable XLR cable, making it easy to replace or upgrade. The connector locks securely for reliable use.

Whether the cable can be detached or replaced.

Sennheiser MD 421 II Connection Interface

What is the connection interface?

26 Sennheiser MD 421 II 0 Votes XLR

29 Microphones in this range XLR

Defines the main interface for connectivity.

Sennheiser MD 421 II Audio Output Options

What are the audio output options?

36 Sennheiser MD 421 II 0 Votes Balanced

30 Microphones in this range Analog, Balanced

Lists output signal formats available.

Sennheiser MD 421 II Phantom Power Support

Does it support phantom power?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Whether the mic supports phantom power.

Sennheiser MD 421 II Balanced/Unbalanced Output

What is the output type?

86 Sennheiser MD 421 II 0 Votes Balanced

40 Microphones in this range Balanced

Defines the type of electrical signal output.

Sennheiser MD 421 II Dual Output Capability

Does it have dual output capability?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Ability to provide two simultaneous outputs.

Power & Battery 4

Sennheiser MD 421 II Power Source

What is the power source?

16 Sennheiser MD 421 II 0 Votes Passive

34 Microphones in this range Phantom

Sennheiser MD 421 II
Sennheiser MD 421 II

Requires no phantom power, making it plug-and-play with any standard XLR input. This enhances reliability and reduces noise.

Defines how the microphone is powered.

Sennheiser MD 421 II Auto Power-Off

Does it have auto power-off?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Whether the microphone shuts down automatically when idle.

Sennheiser MD 421 II Replaceable Battery Support

Does it support replaceable batteries?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Indicates if batteries can be swapped.

Sennheiser MD 421 II External Power Supply Compatibility

Is it compatible with an external power supply?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Can the mic run on external AC/DC supply.

Controls & Features 17

Sennheiser MD 421 II Feedback Suppression

Does it have feedback suppression?

Yes 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Sennheiser MD 421 II
Sennheiser MD 421 II

The cardioid pattern naturally reduces feedback in loud environments. This makes it suitable for both stage and studio monitoring.

Prevents audio feedback loops in live use.

Sennheiser MD 421 II Mute Function

Does it have a mute function?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Ability to mute audio directly on the mic.

Sennheiser MD 421 II Gain Control

Does it have gain control?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Ability to adjust input gain directly.

Sennheiser MD 421 II Headphone Monitoring

Does it support headphone monitoring?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Direct monitoring via headphone output.

Sennheiser MD 421 II Monitoring Mix Control

Does it have monitoring mix control?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Lets user adjust mic vs playback audio mix.

Sennheiser MD 421 II Touch/Motion Controls

Does it support touch/motion controls?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Allows interaction via touch gestures or motion.

Build & Design 16

Sennheiser MD 421 II Body Material

What is the body material?

71 Sennheiser MD 421 II 0 Votes Composite

32 Microphones in this range Metal

Sennheiser MD 421 II
Sennheiser MD 421 II

Made from a durable fiber-reinforced composite shell that resists impact and scratches. It’s built to last in both studio and live environments.

The main structural material of the microphone body.

Sennheiser MD 421 II Dust Resistance

Is it dust resistant?

Yes 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Sennheiser MD 421 II
Sennheiser MD 421 II

Offers protection against dust buildup inside the mic. This helps maintain consistent sound quality over years of use.

Indicates if the mic is resistant to dust.

Sennheiser MD 421 II Drop Resistance

Is it drop resistant?

Yes 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Sennheiser MD 421 II
Sennheiser MD 421 II

Can handle minor drops or bumps during setup or transport. The rugged construction protects internal components effectively.

Indicates if the mic is designed to survive accidental drops.

Sennheiser MD 421 II Grill Material

What is the grill material?

66 Sennheiser MD 421 II 0 Votes Steel

32 Microphones in this range Metal

Sennheiser MD 421 II
Sennheiser MD 421 II

The steel mesh grille protects the capsule from bumps and plosives. It’s sturdy and easy to maintain over time.

The material of the protective mic grill.

Sennheiser MD 421 II Finish/Coating

What finish/coating does it have?

26 Sennheiser MD 421 II 0 Votes Matte

27 Microphones in this range Matte

Exterior treatment or surface finish.

Sennheiser MD 421 II Shock Mount

Is a shock mount included?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Whether a shock mount is included to reduce vibrations.

Package & Accessories 12

Sennheiser MD 421 II Mounting Clip

Is a mounting clip included?

Yes 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Sennheiser MD 421 II
Sennheiser MD 421 II

Comes with a secure mic clip designed to hold the body firmly. It minimizes accidental slips during use.

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

Sennheiser MD 421 II Stand/Tripod

Is a stand/tripod included?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Whether a stand or tripod is included in the box.

Sennheiser MD 421 II Cables

Are cables included?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Indicates if connecting cables are provided.

Sennheiser MD 421 II Carrying Case

Is there a carrying case included?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Whether a protective carrying case is part of the package.

Sennheiser MD 421 II Adapters

Are adapters included?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

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

Sennheiser MD 421 II Extra Windscreen

Is an extra windscreen included?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Indicates if a spare windscreen is included.

Certification & Compliance 6

Sennheiser MD 421 II Warranty

What is the warranty period?

2 years 0Votes
Sennheiser MD 421 II
2.8 years (Average)

Sennheiser MD 421 II
Sennheiser MD 421 II

Includes a 2-year limited warranty covering manufacturing defects. This ensures reliability for professional users.

Duration of manufacturer warranty coverage.

Sennheiser MD 421 II Safety Compliance

Is it safety compliant?

Yes 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Indicates adherence to safety regulations.

Sennheiser MD 421 II Environmental Compliance

Is it environmentally compliant?

Yes 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Compliance with eco/environmental regulations.

Sennheiser MD 421 II FCC/CE Approval

Is it FCC/CE approved?

Yes 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Explicit FCC/CE compliance approval.

Sennheiser MD 421 II RoHS Compliance

Is it RoHS compliant?

Yes 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Restriction of Hazardous Substances directive compliance.

Sennheiser MD 421 II Professional Broadcast Certification

Is it broadcast certified?

Yes 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Indicates if the mic meets pro broadcast standards.

Advanced Features 14

Sennheiser MD 421 II Multi-Pattern Switching

Does it support multi-pattern switching?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Ability to switch between multiple pickup patterns.

Sennheiser MD 421 II DSP Processing

Does it include DSP processing?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Built-in digital signal processing for sound shaping.

Sennheiser MD 421 II AI Noise Cancellation

Does it feature AI noise cancellation?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

AI-powered suppression of background noise.

Sennheiser MD 421 II Beamforming Technology

Does it support beamforming?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Uses mic arrays to focus on sound sources.

Sennheiser MD 421 II Voice Tracking

Does it include voice tracking?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Automatically follows speaker’s voice.

Sennheiser MD 421 II Recording Profiles

Does it have recording profiles?

No 0Votes Sennheiser MD 421 II

Yes Microphones in this range

Predefined sound settings for specific uses.

Surveys

Because hot takes deserve votes.

Sennheiser MD 421 II 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

Sennheiser MD 421 II 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

Sennheiser MD 421 II 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

Sennheiser MD 421 II 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

Sennheiser MD 421 II 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

Sennheiser MD 421 II Design Appeal

How attractive is the design of this microphone?

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

Sennheiser MD 421 II 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

Sennheiser MD 421 II 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

Sennheiser MD 421 II 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

Sennheiser MD 421 II 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

Guides 1

Yes, we brought proof.

Files 1

Sennheiser MD 421 II User Manual

sennheiser.com
sennheiser.com

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Sennheiser MD 421 II
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