Behringer SD251-CL In-Ear Headphones with MMCX Connector, Transparent

With a 6.8 mm micro-dynamic driver delivering a 20 Hz – 20 kHz frequency response, the Behringer SD251-CL in-ear monitors reveal every nuance of your mix. The transparent housing showcases precision engineering, while the detachable MMCX cable and gold-plated 3.5 mm jack ensure a reliable, corrosion-resistant connection. Up to 25 dB of noise isolation blocks ambient sound, letting you focus on the music—whether on stage or in the studio. Six pairs of eartips (silicone and foam in S, M, L) and a zippered carry case complete the package.

Overview

The Behringer SD251-CL is a professional in-ear monitor built for musicians and audio enthusiasts who demand clarity and durability. Its single micro-dynamic driver provides accurate sound reproduction across the entire audible spectrum, while the over-ear cable routing keeps the earphones secure during movement. The transparent housing not only looks sleek but also reflects Behringer's commitment to quality craftsmanship. With a lightweight, ergonomic design, these earphones remain comfortable during long sessions.

What stands out

• Detachable MMCX cable allows easy replacement or upgrade
• Up to 25 dB noise isolation blocks ambient sound for focused listening
• Includes six pairs of eartips (silicone and foam) for a customized fit
• Gold-plated 3.5 mm jack ensures corrosion-resistant, reliable connection
• Lightweight and ergonomic design for long sessions without fatigue

Technical details

• Driver type: Single micro-dynamic
• Driver size: 6.8 mm
• Frequency response: 20 Hz – 20 kHz
• Impedance: 16 Ohms
• Sensitivity: 93 dB SPL (1 mW)
• Max input power: 100 mW
• Cable length: 1.6 m (63 inches)
• Earpiece connector: MMCX
• Source connector: 3.5 mm stereo jack (gold-plated)
• Housing colour: Transparent
• Fit style: In-ear, over-ear cable routing
• Included eartips: Silicone (S, M, L), Foam (S, M, L)
• Included accessories: Zippered carry case

Our verdict

The Behringer SD251-CL delivers professional-grade sound with a detachable cable and excellent noise isolation, making it a versatile choice for stage and studio use.