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PreSonus HD9 Professional Over-Ear Monitoring Headphones (Closed Back)
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The PreSonus HD9 is a pair of professional-quality monitoring headphones, which deliver loud, clear, and clean audio, while minimizing listening fatigue.

The HD9 sports 45mm dynamic, neodymium drivers with high-power handling (900mW per channel into 40 Ohms) and an extended frequency response from 10 Hz to 26 kHz for accurate bass response and precision mixing.

The closed-back, circumaural design keeps the sound inside the ear cups for isolation while tracking, while the adjustable headband and comfy earpads are designed for long listening sessions.

The single-sided cable is 10' long to provide plenty of slack, giving you freedom to move about your workstation or console. The 1/8" stereo plug connects to a variety of professional audio devices.

The PreSonus HD9 ships with a gold-plated 1/8" to 1/4" adapter and a storage bag.

  • Fit and Comfort
    • Two-axis, 180° cup rotation
    • Comfortable, long-lasting ear pads
    • Adjustable headband
  • Sound
    • Precision-tuned, closed back, circumaural acoustic design
    • Frequency Response: 10 Hz to 26 kHz (±3 dB)
    • Accurate low-frequency response
    • High-power handling (1800mW @ 40 Ohms, 900mW per channel)
    • 45 mm dynamic, neodymium drivers
  • Connection and Storage
    • 10' straight, single-sided cable with 1/8"  connector
    • Gold-plated 1/8" to 1/4" adapter
    • Storage bag

Technical Specifications

Driver Size 1.77" / 45 mm
Magnet Type Neodymium
Voice Coil Not Specified by Manufacturer
Design Over-Ear (Circumaural)
Earcup Style Closed-Back
Material of Construction Not Specified by Manufacturer
Frequency Response 10 Hz to 26 kHz
Sensitivity Not Specified by Manufacturer
Impedance 40 Ohms (Passive)
Maximum Sound Pressure Level (SPL) Not Specified by Manufacturer
Maximum Power Handling 1800 mW
Noise Attenuation Not Specified by Manufacturer
Total Harmonic Distortion (THD) Not Specified by Manufacturer
Driver Type Dynamic
Foldable Yes
Contact Pressure Not Specified by Manufacturer
Audio Connector 1/8" (3.5 mm) TRS
Connector Plating Gold
Adapter (Included) 1/4" (6.3 mm) TRS
Connector to Earpiece Not Specified by Manufacturer
Design Single-Sided
Detachable No
In-Line Remote/Microphone No
Type Not Specified by Manufacturer
Cable Length 9.84' / 3 m
Dimensions (W x H x D) Not Specified by Manufacturer
Weight Not Specified by Manufacturer
Packaging Info
Package Weight 1.4 lb
Box Dimensions (LxWxH) 9.1 x 8.7 x 4.5"

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