Quad High-Definition MicroDrivers The SE846 delivers extended high-end clarity and unparalleled low-end performance. Evolved from personal monitor technology road-tested by pro musicians and fine-tuned by Shure engineers, the SE846 features a patent-pending design that includes a groundbreaking low-pass filter. This technology enables the deep low-end performance of a true subwoofer without sacrificing clarity or detail of mids or highs. Comfortable Sound Isolating sleeves block up to 37 dB of ambient noise, whether onstage or on-the-go. Customizable frequency response, detachable cables, and a wide variety of accessories ensure an unequalled, perfectly tailored listening experience for the most discerning audio enthusiast. Quad High-Definition Microdrivers with True Subwoofer For extended high-end clarity and unparalleled low-end performance Four custom-engineered, balanced armature drivers tailored to blend precisely with each other Three-way system configuration for dedicated low-, mid-, and high-frequency distribution Patent-Pending Design for Unparalleled Low End Groundbreaking low-pass filter enables low-end rolloff at 3 dB at 90 Hz (10 dB at 250 Hz) - the previously unattainable deep low-end performance of a true subwoofer - without sacrificing clarity or detail Ten precision-welded, stainless steel plates form 4 inches of high acoustic mass pathway, naturally enabling low frequency rolloff to begin at about 75 Hz without distortion or artifacts Unmatched Personaliza...

• Shure Sound Isolating Earphones - Quad HD MicroDrivers & True Subwoofer (Bronze)
• Shure Triple Flange Sleeves for Compatible Shure Earphones
• Quad High-Definition Microdrivers with True Subwoofer
• roundbreaking low-pass filter enables low-end rolloff at 3 dB at 90 Hz (10 dB at 250 Hz)
• Customizable Frequency Response

Shure Sound Isolating Earphones - Quad HD MicroDrivers & True Subwoofer (Bronze)Shure Incorporated