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BEYERDYNAMIC

DT 109 - 400 ohm

IFB/IEM Headphones

Headset microphone, closed-back over-ear design, 400 ohm impedance, hypercardioid mic, noise isolation, detachable cable, broadcast applications

$599.99 CAD
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Description

The beyerdynamic DT 109 (400 ohm) is a trusted professional headset that has long been a staple in broadcasting, film, and live production environments. Known for its classic design and dependable performance, it combines closed-back headphones with a dynamic microphone to deliver clear monitoring and intelligible speech in demanding conditions. Its ability to handle high sound levels while maintaining clarity makes it well suited for fast-paced studio work, remote reporting, and on-location production.

Comfort and durability are central to its design, with soft circumaural ear pads and a padded headband that support extended use. The closed construction helps reduce ambient noise, allowing users to focus on critical audio details even in noisy environments. Built with a modular approach, the headset is easy to service and maintain over time, making it a reliable long-term solution for professionals who need consistent performance day after day. 

Features

Broadcast Industry Standard
Widely used in TV, film, and live production. Trusted for professional communication and monitoring.

Closed-Back Noise Isolation
Reduces ambient noise for clear monitoring. Helps focus on audio even in loud environments.

Integrated Microphone
Includes a built-in dynamic microphone for clear speech. Ideal for communication during live production.

High Impedance Performance
Designed for professional audio systems. Delivers consistent and reliable sound quality.

Comfortable Over-Ear Fit
Soft headband and ear pads support long sessions. Ensures comfort during extended use.

Rugged, Long-Lasting Build
Built for demanding environments and daily use. Provides durability you can rely on.

Replaceable Components
All key parts can be serviced or replaced. Extends product life and simplifies maintenance.

Detachable Cable Design
Allows flexible cable options and easy replacement. Adapts to different setups and workflows.

High SPL Handling
Performs well even at loud volume levels. Maintains clarity without distortion.

Hypercardioid Mic Pickup
Focuses on the speaker’s voice while reducing background noise. Ensures clear communication in busy environments.

Specifications

General Specifications
Device Type: Broadcast headset with microphone
Compatibility: Professional broadcast, studio, film, TV, language lab systems

Headphone Specifications
Transducer Type: Dynamic
Operating Principle: Closed
Wearing Style: Over-ear
Ear Coupling: Circumaural
Frequency Response: 30 – 20,000 Hz
Nominal Impedance: 400 Ω ±10% per cartridge
Sound Pressure Level: 94 dB
Total Harmonic Distortion: <1%
Power Handling Capacity: 1000 mW
Maximum SPL: 124 dB
Ambient Noise Attenuation: approx. 20 dBA
Headband Pressure: approx. 4.5 N
Weight: 390 g (without cable)

Microphone Specifications
Transducer Type: Dynamic
Operating Principle: Pressure gradient
Polar Pattern: Hypercardioid
Frequency Response: 40 – 12,000 Hz
Output Voltage: approx. 2.5 mV at 5 cm
Nominal Impedance: 200 Ω
Load Impedance: ≥1000 Ω

Connectivity
Cable Type: Detachable, single-sided
Connector Options: Multiple XLR and jack configurations (optional)

Construction & Design
Design Type: Closed-back headset
Build: Modular, serviceable construction
Headband: Soft padded
Ear Pads: Replaceable circumaural

Functionality
Noise Isolation: High ambient noise attenuation
Application: Live broadcasting, studio, film, TV, language labs
Serviceability: Replaceable components

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