Beyerdynamic MMX 300 Repair

The Beyerdynamic MMX 300 is a high-end gaming headset, initially released in 2007. The headset has since had additional generations, with a second generation released in 2017, and a third generation released as the MMX 300 Pro (closed-back) and MMX 330 Pro (open-back) in 2024.

The MMX 300 is a gaming headset with a microphone, designed to combine comfort and hi-fi audio.

Model name	Brand name and logo
The model name is printed on the outside of the earcup.	The brand name and logo is molded into the headband mount.

The following is the specifications of the MMX 300 first generation. The different generations may have slight variations.

Model number (including but not limited to): 718300, 730670, 1001163

Release date: 2007

Drivers:

• Sensitivity: 96 dB SPL/V @ 1 kHz
• Impedance: 32 ohm
• Frequency: 5 Hz - 35 kHz
• Maximum input power: 100 mW

Body:

• Type: Over-ear
• Enclosure: Closed
• Build: Plastic and metal
• Weight: 332 g

Interface:

• Socket: None
• Plug: 3.5 mm stereo