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Home/Head-Fi/Earphones - In Ear Monitors (IEM)/64 Audio U4s Universal In-Ear Monitors

64 Audio U4s Universal In-Ear Monitors

64 Audio

64 Audio U4s Universal In-Ear Monitors

Product code:
64 Audio U4S
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2-year-warranty
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£1,079

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64 Audio U4s Universal In-Ear Monitors

Features

  • A quad-driver hybrid UIEM featuring ground-breaking patented technologies initially developed for our flagship products in order to bring a wider audience closer to their music.
  • U4s explores a bold new colour aesthetic for 64 Audio.
  • The Slate Blue shell colour was influenced by some of the world’s most beautiful blue-dial timepieces while Muonionalusta meteorite fragments inspire the unique faceplate pattern.
  • The faceplate and shell’s illuminant properties give it a unique tone in varying lighting conditions.
U4S

Specifications

Drivers 1 Tia High Driver – 1 High-Mid Driver – 1 Mid Driver – 1 Dynamic Low Driver
Frequency Response 10hz – 20kHz
Sensitivity 105 DB/MW @1kHz
Passive Crossover Integrated 4-Way
 Impedance 6Ω @1kHz
Apex Technology Isolation -20dB, -15dB, -10dB, -12dB

 

Description

U4s

A quad-driver hybrid UIEM featuring ground-breaking patented technologies originally developed for our flagship products to bring a wider audience closer to their music. U4s explores a bold new colour aesthetic for 64 Audio. The Slate Blue shell colour was influenced by some of the world’s most beautiful blue-dial timepieces while the unique faceplate pattern is inspired by Muonionalusta meteorite fragments. Both the faceplate and shell’s illuminant properties give it a unique tone in varying lighting conditions.



Sound

U4s sounds light on its feet while effortlessly delivering physically engaging sub-bass without bleeding into the mid-bass. Balanced mid frequencies and a pleasant high-mid band respond well to a wide array of music and recording styles at every volume level; present but not fatiguing. The Tia high-driver’s open-airy quality couples with the extended sound-stage provided by Apex for a lifelike sonic experience.

Its ergonomic anodized aluminum shell houses a single dynamic driver, two balanced-armature drivers, and one patented Tia driver; all weaved together with our patented Tia, LID, and Apex technology. The four-way crossover is elevated with the use of our proprietary electronic low-pass filter; reducing low-frequency distortion. The assortment of included apex modules and ear tips are an invitation to further shape the sound based on preference and source material while the ultra-low impedance premium silver-plated copper cable ensures unimpeded signal transmission. The dissemination of tia technology within our product range brings that classic 64 Audio sound signature to a new price point.



Electrical low pass filter

A crossover circuit replacing traditional acoustic dampers which can introduce unwanted distortion through vibration and air turbulence. Rather than using acoustic dampers to filter unwanted frequencies after the driver produces them the electrical low pass filter lowers distortion by eliminating unwanted frequencies before they reach the driver.



Featured Technology

Tia

Tubeless In-Ear Audio (tia) is a patented IEM design methodology that aims to reduce unwanted resonance and distortion for a transparent and lifelike sound signature. The tia system is comprised of three major elements: open balanced armature tia drivers, the tia single-bore design, and tia acoustic chambers. U4s features two major elements of the tia system: the tia driver and the tia single-bore design.

Apex

Air Pressure Exchange (Apex) is a patented vent that releases air pressure in a sealed ear canal all while retaining standard IEM levels of isolation; enabling musicians and music enthusiasts to listen more comfortably for longer. This venting alleviates listener fatigue and allows for a much more realistic soundstage. Apex comes in four module variations for U4s: mX, m15, m20, and *m12

LID

Linear Impedance Design (LID) is a patented circuit that corrects the non-linear electrical resistance of the multiple driver-sets comprising this 4 driver IEM. Varying source amplifier output impedance in devices like smartphones, body packs, DAC/amps, and DAPs typically results in varying frequency response across them, depending on the increase in resistance. Restoring proper interaction with the source and preserving the desired sound signature enables a consistent reliable sound.

Additional information

Colour

Blue

Warranty

 

Backed with a 2-year 64 Audio warranty

 

 

 

 

Delivery Info

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Delivery Information

As a company our primary goal is to provide a seamless service that results in customer satisfaction. We aim to deliver within 3 working days. Unfortunately, there may be occasions where this time frame may not be met due to unforeseen circumstances; in this instance, we deliver product/s as soon as we can. All delivery charges are included within the prices quoted, unless otherwise specified.

All small items are usually delivered between 9am and 6pm, on a Monday to Friday, unless a Saturday delivery is requested. Follow My Parcel is an industry-changing innovation from DPD Local, which will give your customers unparalleled levels of information and peace of mind.Not only will your customers receive a one hour delivery timeslot, but they’ll now also be able to track the progress of their parcels on a map as our drivers make their way to the delivery addresses. Follow My Parcel will:

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