Behringer SD251-CK In-Ear Monitor Headphones with MMCX Connector, Black

For musicians and audio professionals who demand accurate sound in a compact form, the Behringer SD251-CK in-ear monitors deliver precise audio reproduction with excellent passive noise isolation. Their single dynamic 8mm drivers provide a frequency response from 20 Hz to 20 kHz, ensuring deep bass, clear mids, and crisp highs for critical listening on stage or in the studio.

Who is it for

These in-ear monitors are ideal for drummers, vocalists, guitarists, and live sound engineers who need reliable monitoring without bulky headphones. They are also perfect for audiophiles seeking a portable high-fidelity listening experience with a secure fit.

Main features

• Detachable MMCX cable with oxygen-free copper conductors for durability and easy replacement
• Ergonomic low-profile housing with silicone eartips (S, M, L) for comfort and noise isolation
• 3.5mm TRS stereo mini-jack plug compatible with smartphones, tablets, and professional audio devices
• Zippered carry case included for safe transport and storage

Specifications

• Driver type: Single dynamic
• Driver size: 8 mm
• Frequency response: 20 Hz - 20 kHz
• Impedance: 16 Ohms
• Sensitivity: 107 dB SPL (1 mW)
• Earphone connector: MMCX
• Cable length: 1.6 m (63 inches)
• Audio plug: 3.5mm TRS stereo mini-jack
• Cable type: Detachable, oxygen-free copper (OFC)
• Design: In-ear monitor (IEM)
• Colour: Black
• Noise isolation: Excellent passive
• Included eartips: Silicone (S, M, L sizes)
• Included accessories: Zippered carry case
• Housing material: Ergonomic, low-profile design
• Intended use: Studio monitoring, live performance, personal listening

Tips

To achieve the best sound and isolation, experiment with the included eartip sizes to find the perfect seal. The detachable MMCX cable allows for easy replacement or upgrade, extending the life of your monitors. When not in use, store them in the provided zippered case to prevent damage.