PSB M4U 2

Product highlights:

• folding, over-the-ear design with closed, padded earcups and adjustable headband
• active noise-canceling technology reduces distracting external sounds
• active listening mode uses built-in headphone amplifier for more powerful and precise audio with portable sources
• tri-mode operation allows passive listening (without batteries), active listening mode, and active listening mode with noise cancellation
• in-line remote/microphone for hands-free use with iPod®, iPhone®, and iPad®
• in-line push-to-hear monitor control pauses the audio source and noise-canceling feature for brief conversations without removing headphones
• convenient dual input connections let you plug the cable into the right or left earcup
• large 40mm drivers for low distortion and extended range
• frequency response: 20-20,000 Hz (±1.5dB)
• sensitivity: 102 dB
• impedance: 32 ohms (passive mode); 10k ohms (active/noise canceling mode)