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Audio-Technica AT4021: Cardioid Condenser Instrument Microphone
Model AT4021
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Availability: Out of Stock
- Outstanding performance and rugged construction
- High SPL handling and wide dynamic range
- Flat, extended frequency response
- Switchable 80 Hz hi-pass filter and 10 dB pad
Product Overview
Overview
The Audio-Technica AT4021 is a cardioid condenser instrument microphone. Ideal for critical studio and live applications, the low-profile AT4021 offers a flat, extended frequency response, high maximum SPL and wide dynamic range. Its low self-noise is perfectly suited for the most sophisticated recording equipment.
Corporate AV supplies, installs and supports the Audio-Technica AT4021 across India. Request a quote for supply, installation and commissioning.
Key features
- Outstanding performance and rugged construction
- High SPL handling and wide dynamic range
- Flat, extended frequency response
- Switchable 80 Hz hi-pass filter and 10 dB pad
- High front-to-back rejection ratio—cardioid polar pattern improves isolation of desired sound source
- Low self noise perfectly suited for digital recording equipment
- Exceptional reproduction of low frequency sounds
- Low-mass element for superb transient response
Why choose the AT4021
It is a cardioid condenser instrument microphone, an instrument microphone built for stage and studio use. Corporate AV adds a site survey, installation and support across India, so the AT4021 is specified and set up for your space and not just shipped.
Product Highlights
Key Benefits
Outstanding performance and rugged construction
High SPL handling and wide dynamic range
Flat, extended frequency response
Switchable 80 Hz hi-pass filter and 10 dB pad
High front-to-back rejection ratio—cardioid polar pattern improves isolation of desired sound source
Use Cases
Ideal Applications
Live sound and stage performance
Studio and rehearsal recording
Houses of worship
Event and broadcast audio
Technical Details
Technical Specifications
Audio
Element
Fixed-charge back plate, permanently polarized condenser
Polar Pattern
Cardioid
Frequency Response
20-20,000 Hz
Low Frequency Roll Off
80 Hz, 18 dB/octave
Open Circuit Sensitivity
-34 dB (19.9 mV) re 1V at 1 Pa
Noise
14 dB SPL
Dynamic Range
132 dB, 1 kHz at Max SPL
Signal-to-Noise Ratio
80 dB, 1 kHz at 1 Pa
Switches
Flat, roll-off; 10 dB pad
Audio-Technica Case Style
S1
Connectivity
Maximum Input Sound Level
146 dB SPL, 1 kHz at 1% T.H.D.; 156 dB SPL, with 10 dB pad (nominal)
Physical and power
Phantom Power Requirements
48V DC, 3.0 mA typical
Weight
119 g (4.2 oz)
Dimensions
144.0 mm (5.67") long, 21.0 mm (0.83") maximum body diameter
Output Connector
Integral 3-pin XLRM-type
Accessories Included
AT8405a stand clamp for 5/8"-27 threaded stands; windscreen; protective carrying case
Other specifications
Category
Instrument Microphone, Audio-Technica
In The Box
What's Included
AT8405a stand clamp for 5/8"-27 threaded stands
windscreen
protective carrying case
Why CorporateAV?
Sourced right. Installed right.
Genuine Manufacturer Stock
Every unit sourced through authorized distribution, backed by manufacturer warranty.
Expert AV Integration
Paired correctly with compatible systems and your room's existing AV infrastructure.
Pan-India Delivery & Support
On-site installation and ongoing technical support wherever your project is based.
More Details
Additional Information
Why Buy The AT4021 From Corporate AV?
- Genuine Audio Technica stock with manufacturer warranty support
- Custom pricing for bulk and multi-room / multi-site rollouts
- Local after-sales support — a real team you can call or WhatsApp, not a call centre
- Expert guidance on product selection and deployment planning
- Professional installation across Bangalore, Hyderabad, Mumbai, Delhi NCR, and the wider India region
Distribution
Corporate AV supplies and installs Audio Technica products across Bangalore, Hyderabad, Mumbai, Delhi NCR, Chennai, Pune, Kolkata, Ahmedabad, and the wider India region.
Frequently Asked Questions
What is the Audio-Technica AT4021?
The Audio-Technica AT4021 is a cardioid condenser instrument microphone. Ideal for critical studio and live applications, the low-profile AT4021 offers a flat, extended frequency response, high maximum SPL and wide dynamic range. Its low self-noise is perfectly suited for the most sophisticated recording equipment.
Who is the Audio-Technica AT4021 best suited for?
The AT4021 suits live sound and stage performance, studio and rehearsal recording and houses of worship. Corporate AV can advise whether it is the right fit for your space.
Can Corporate AV supply multiple Audio-Technica AT4021 units for a rollout?
Yes. Corporate AV supplies and integrates the Audio-Technica AT4021 in single units and multi-room rollouts across India, with a site survey, installation, commissioning and support.
How do I get a quote for the Audio-Technica AT4021 in India?
Use the Request a Quote button on this page or contact Corporate AV with your room details and quantity, and a consultant will respond with a quotation for supply and installation.
What accessories are included with the Audio-Technica AT4021?
Audio-Technica lists these included accessories: AT8405a stand clamp for 5/8"-27 threaded stands; windscreen; protective carrying case.
What power does the Audio-Technica AT4021 need?
Audio-Technica specifies 48V DC, 3.0 mA typical for the AT4021.
What is the polar pattern of the Audio-Technica AT4021?
Audio-Technica lists the AT4021 polar pattern as Cardioid.
