MRHommeaudio 100% PRODUK RESMI 100% PRODUK ORIGINAL GARANSI RESMI 1TAHUN CALL/SMS/WA: 081273516346 ------------------------------------------------ A classic IEM that’s been refined over decades, the Etymotic ER4 gets its latest update in the ER4SR: a model that delivers accurate, reference-quality sound with excellent noise isolation—up to 42 dB of reduction, to be exact. The ER4SR features precision-matched and custom-tuned balanced armature drivers inside sleek anodized aluminum housings, along with a detachable 5-foot-long cable that ends in a 3.5-millimeter gold-plated stereo plug. Plus, its design completely seals the ear to block out the outside world. Improving upon the ER4S’s tonal accuracy, the ER4SR IEM is ideal for engineers, audiophiles, and discerning music lovers.
SPECS Etymotic Transducers: Balanced armature micro drivers Frequency response: 20 Hz–16 kHz Noise isolation: 35–42 dB Impedance at 1 kHz: 45 ohms Sensitivity at 1 kHz, SPL at 0.1v: 98 dB Maximum output (SPL): 122 dB Cable: 5 ft (1.5 m), detachable User-replaceable ACCU filters
INCLUDED Manufacturer's 2-year warranty Detachable cable with 3.5mm gold-plated stereo plug ¼” stereo phone adapter Assortment of ear tips Filter removal tool and replacement filters Shirt clip Zippered storage case