Sennheiser IE 900 High End In-Ear Headphones

Experience an ultra-wide frequency response from 5 Hz to 48,000 Hz with the Sennheiser IE 900, precision-milled aluminum in-ear headphones featuring a 7mm TrueResponse XWB dynamic driver.

Overview

The Sennheiser IE 900 is a high-end pair of in-ear headphones crafted for audiophiles. Each earbud weighs approximately 4 g and houses a single dynamic driver with a triple-resonator chamber (TRC) system, delivering detailed sound with low distortion. The closed-back acoustic principle and noise attenuation of up to -26 dB provide immersive listening.

What stands out

• TrueResponse XWB 7mm dynamic driver for precise audio reproduction
• Triple-resonator chamber (TRC) enhances clarity and bass response
• Includes three detachable cables: 3.5mm, 2.5mm balanced, and 4.4mm balanced
• Fidelity+ MMCX connectors for secure cable attachment
• Comes with silicone (S/M/L) and memory foam (S/M/L) ear tips
• Made in Germany

Technical details

• Transducer principle: Single Dynamic (TrueResponse XWB)
• Frequency response: 5 Hz – 48,000 Hz
• Impedance: 16 Ohms
• Sound pressure level (SPL): 123 dB (1 kHz, 1 Vrms)
• Total harmonic distortion (THD): < 0.05% (1 kHz, 94 dB)
• Driver size: 7mm
• Housing material: Precision-milled aluminum
• Cable connectors: Fidelity+ MMCX
• Cable length: 1.25 m (49 inches)
• Acoustic principle: Closed-back
• Noise attenuation: Up to -26 dB
• Weight (per earbud): Approx. 4 g

Our verdict

The Sennheiser IE 900 delivers flagship-level sound in a lightweight, durable design, making it a top choice for discerning listeners.