ETYMOTIC ER4SR - Single BA Driver Reference In-ear Monitor Earphones
The Etymotic ER4SR is a reference-tuned in-ear monitor with a single Balanced Armature driver, MMCX connection and a precise, neutral sound character. Its 20 Hz – 16 kHz frequency response, 45 Ohm impedance and 98 dB sensitivity support controlled music listening and professional monitoring.
The CNC-machined anodized aluminum housing provides a stable acoustic foundation for the driver while keeping the design compact and durable. The detachable reinforced twisted cable is practical for long-term use, while the replaceable ACCU-Filters help protect the Balanced Armature driver from debris.
The ER4SR delivers outstanding passive noise isolation: 35 dB with silicone ear tips and up to 42 dB with foam ear tips. Its clean, detailed and balanced presentation makes it suitable for studio checking, travel and demanding everyday listening.
ETYMOTIC ER38-14C - Memory Foam Ear Tips for Etymotic Earphones
The Etymotic ER38-14C are interchangeable memory foam ear tips for Etymotic ER4SR and ER4XR earphones. The package includes 3 pairs of L sized yellow ear tips. Other compatible Etymotic models: HF series, MC series, ERMK-5 Isolator, EtyKids, HD5 Safety, MusicPro, Gunsport Pro, HD15-High Definition Electronic Earplugs, EB-15 BlastPlug, etyBLU2, The BEAN, and Home Hearing Test
DD HIFI TC44PRO M3 - Portable DAC and Headphone Amplifier 32bit 384kHz DSD256
The ddHiFi TC44Pro Mountain3 is a portable DAC (digital-to-analogue converter) and amplifier with USB-C input and 4.4mm balanced and 3.5mm single-ended output connectors. The dual CS43198 DAC chips support high-definition music listening, with a practical and robust design that will make it an excellent travel companion for any music lover. A blue or green LED light on the side of the champagne-silver housing indicates PCM and DSD resolution file playback. The product weighs only 11g.
