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A Real World Gear Look At IEM/Personal Monitoring Systems, As Well As Earpieces



Audio-Technica E-Series In-Ear Monitor Headphones

Audio-Technica brings the sonic heritage of its M-Series headphones to three professional in-ear designs: ATH-E70, the flagship model, designed for audio professionals and musicians who demand the absolute best, ATH-E50, ideal for on-the-road artists or producers, and the ATH-E40, a versatile performer from the stage to the street.

Accessories provided with each E-Series set include a 1/4-inch (6.3 mm) adapter, silicone eartips (SX/S/M/L), and a carrying case.

Of Note:
E-Series headphones are compatible with Audio-Technica’s M2 and M3 wireless monitor systems to give performers a comprehensive in-ear monitoring solution.

Technology Focus:
The E70 and E50 employ balanced armature drivers – a single driver in each E50 housing, three drivers per E70 housing – for improved transients, increased efficiency, and extremely detailed mid and high frequencies.

The E40 incorporates Audio-Technica’s proprietary dual phase push-pull driver, which is actually comprised of two facing drivers wired out of phase, reducing harmonic distortion and improving response time, while doubling the power and increasing output sensitivity. The result is a spacious, expansive but detailed sound across a wide frequency range.

Key Specifications: (ATH-E70)
Type: Balanced armature
Frequency response: 20 – 19 kHz
Sensitivity: 109 dB/mW
Impedance: 39 ohms
Weight: 0.3 ounce without cable
Cable: Detachable 5.2-foot
(1.6-meter) with A2DC connectors
Connector: 1/8-inch (3.5 mm)
gold-plated stereo mini-plug, L-shaped


Ultimate Ears UE 18+ Pro

Addition of True Tone drivers to the design of the UE 18 Pro (4-way crossover, triple bore, and 6 drivers per monitor) extends frequency range by 3 kHz to enhance upper band frequency response; adjusted midrange gain intended to improve presence and contribute to a “clear yet warm” sound.

Design: 6 drivers, 4-way
Sensitivity: 100 dB at 100 mV
Impedance: 37.5 ohms
Noise Isolation: -26 dB
Frequency Response: 5 Hz – 22 kHz


JH Audio JH16V2 Pro

Newly designed balanced armatures provide low- and-high frequency extension; patented variable bass offering adjustment of +/- 10 dB on the quad low driver without effecting the mids and highs; quad high driver has flat extension to 23 kHz.

Design: 10 drivers, 3-way
Sensitivity: 118 dB at 1 mW
Impedance: 18 ohms
Noise Isolation: -26 dB
Frequency Response: 10 Hz – 23 kHz


Future Sonics Spectrum Series G10

Incorporates new proprietary dynamic drivers; reinforced tubular strain relief; intuitive thumb placement design (LT & RT); 100-percent armature- and crossover-free technology; multiple fit options, supplied with numerous sleeves to help optimize fit.

Design: 10 mm dynamic drivers
Sensitivity: 113 dB at 1 mW
Impedance: 32 ohms
Noise Isolation: -29 dB
Frequency Response: 18 Hz – 20 kHz


Sensaphonics 3D-U

Universal-fit Active Ambient earphones, part of the patented 3D AARO IEM system; utilizes same full-range drivers and embedded microphones as the company’s 3D Custom; available in crossover-free dual-driver and single-driver versions.

Design: Single or dual balanced armature
Sensitivity & Impedance: Dependant on AARO system settings
Noise Isolation: -26 dB
Frequency Response: 20 Hz – 16 kHz


64 Audio tia Fourté

Proprietary open balanced armature drivers; frequency-shaping acoustic chambers in combination with an internal passive radiator enhances performance; apex technology helps vent air pressure from inside the ear canal to reduce listening fatigue.

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Design: 4 drivers
Sensitivity: 114 dB at 1 mW
Impedance: 10 ohms
Noise Isolation: -20 dB
Frequency Response: 5 Hz – 22 kHz