Final Audio

Final Audio - A4000 Earphones

Product SKU: FI-A4DPLDN

9

$149.00 Regular price $159.99 Save $10.99 (6% OFF)


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Product Details from the Brand

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A4000

The new staple for this price range, features a newly designed driver unit [f-Core DU] which realizes astonishingly clear sound

For the A4000 to achieve the impossibly high-quality sound for this price range requires new development and production facility. The 6mm diameter dynamic driver requires not just new parts, but a total redesign of everything, including the production machinery. Sound design was conducted based on our proprietary sound evaluation method established during the development of our flagship A8000 model. It achieves “transparent sound”, which means an impression that even sound images localized distantly can be heard clearly, for various genres of music.

Features

Achievements of a new sound quality evaluation method

The development of the A series began with the establishment of a new sound evaluation method by analyzing the relationship between sound quality and physical characteristics. The results came to fruition with the A8000, and the sound evaluation method evolved further with the A4000. We listen to music recorded at various qualities at various sound levels. Conventional evaluation methods, however, generally entail a subjective evaluation under the fixed conditions such as constant sound pressure level , and an evaluation method that takes into account the various practical listening conditions that could actually occur when users evaluate the sound of various products of earphones didn’t exist. We believe that researching a sound evaluation method that made it possible to arrive at a realistic evaluation even under various different listening conditions made it possible to bring to fruition a product that can be said to be the new standard for this price range.

Featuring the completely redesigned [f-Core DU] driver unit, which entails new design, parts, and production technology

In order to achieve sound quality impossible at this price range, we newly developed 6mmφ [fCore DU] dynamic driver unit from the scratch. To realize the brand new driver, we established new production facility overseas and newly designed not only parts for the driver unit such as diaphragm, voice coil, magnet, magnetic circuits, adhesives, but also the production machinery used in the manufacturing process. As material for the driver front housing, rather than the traditional aluminum, we used brass, a material that is both highly resistant to the effects of magnetism and also boasts a high specific gravity. In order to increase the time response characteristic of the diaphragm, the voice coil employs a 30μ ultrathin CCAW, and a minimum of adhesive is used for assembly to thoroughly lighten the moving parts. Moreover, the diaphragms are neatly pressed in small lots of roughly 1/3 the normal size in order to constrain pressure deviation to a minimum and realize uniform shaped diaphragm with no deformation.

The Feeling of a Customized Fit

Based on the chassis design that serves as an ideal solution for the IEM that become established during development of the B Series, the A4000 realizes a superior sense of fit. Whether or not earphones offer a superior sensation of fit is determined by the sensation of oppression. While at first glance it may seem correct to select an ergonomic shape and hold it in place with the elasticity of silicone, this always places pressure on the ear which creates an unwary burden and leads to the accumulation of fatigue. By limiting the area that comes in contact with the ear in contrast to an ergonomic shape that comes in contact with a large area of the ear, this product aims to achieve a sense of fit with no feeling of oppression. The green section of the diagram below (earpiece) is the 1st position, the blue section (Tragus) is the 2nd position, and the pink colored section (cavity of the concha) is the 3rd position which contribute to the ultimate stability and fitting. For that reason, it is suitable for the ears of many different people. To the extent that there is no feeling of oppression at any of the points of contact, that makes for such a comfortable, superior feeling of a customized earphone fit.

2Pin Connector & Original OFC Cable

The 2-Pin connector is a high precision part that was developed in-house. The plug employs the highest versatility φ0.78 standard. The cable employs soft, supple coating material designed with consideration to touch noise and bends flexibly when used in conjunction with an ear hook to achieve a good fit.

Ear hooks that alleviate cable touch noise (incorporates lock mechanism)

An ear hook is effective in reducing touch noise; wearing it when walking dramatically reduces the unpleasant rustling sound that may occur when the cable rubs against the body (cable touch noise). In the past, our company’s ear hooks have characteristically been slimmer than ordinary and virtually indistinguishable from a wire or rosin filled cable, making it so comfortable that it is easy to forget that one is even wearing it. This is the type with an affixed lock (B Type) that is capable of holding the cable firmly in place.

Original earpieces with a color difference between the left and right bushes

Two types of silicone differing in rigidity are employed for the sound conduit and for the earbud that comes into contact with the user’s ear. The silicone used for the sound conduit is more rigid than that used for the earbud, and by having groove processing applied to it, combines both strength and flexibility. Soft silicone has been employed for the earbud, making for a comfortable fit and a high level of sound insulation.

One of the bushes is gray, while the other is red; by pulling the earpiece back slightly to check the color of the bush, it is easy to distinguish between left and right, even in places with subdued lighting. Since the bush colors of neighboring sizes are different (the gray bushes alternate between dark and light gray; the red bushes alternate between red and pink), it is also easy to distinguish between sizes.

Silicon carry case

With this silicon carry case, the cables can be rolled up and stored easily. The earphones themselves are gently secured using thin dome-shaped silicon covers.

Specifications

Product Code : FI-A4DPLDN

Housing : ABS Thermoplastic

Driver : 6mm dynamic driver f-CORE DU

Connector : 2 Pin

Cable : 3.5mm/1.2m Oxygen Free Copper cable

Sensitivity : 100dB/mW @ 1kHz

Impedance : 18 Ohm

Weight : 18 g

Product Reviews

Final Audio - A4000 Earphones

Customer Reviews
4.7 Based on 14 Reviews
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Filter Reviews:
ZV
08/09/2021
zachary v.
United States United States
More Detail Than You'd Expect for the Price

Excellent sense of detail, clarity and quite an expansive soundstage for an IEM. Treble can be a bit bright on some tracks/genres, but for the most part they are non-fatiguing. These retain good clarity all throughout the frequency response. I have to say my favorite characteristic of the A4000 is the bass. Extremely clean and impactful without overshadowing anything. Build is great, despite being very lightweight. I didn't think I'd care for the cable or silicone earhook solution, however they turned out to be very comfortable and , again, have a light-but-quality feel to them. The case is also really cool and feels good in the hand or pocket. I like the way it "seals" the IEM in place so it doesn't bounce around in the case. I highly recommend these for anyone looking for a brighter, more detailed sound, but with bass that's absolutely on point for $160. These are a bargain that are up there with ER4s, imo.

Audio46 Final Audio - A4000 Earphone Review
DM
07/22/2021
Diego M.
United States United States
Great headphones for the price

These are great headphones especially for there price and soundstage while not too wide is there and good. One complaint I sort of have is with the plastic which feels kind of cheap but not really too much of a deal breaker overall recommend headphones.(if your looking for great gaming earbuds these are fine but honestly better off with a headset and or cheaper buds if you only game)

AN
06/29/2021
Asheel N.
United States United States
Impressive soundstaging!

Probably the best IEM for the price.

MG
05/11/2021
Michael G.
United States United States
Lives up to most of the Hype

I use these for competitive gaming and they work great, but I find myself reaching for something else when I want to feel closer to the music and for it to sound a little larger.

MR
04/05/2021
Michael R.
United States United States
Love these

Sound amazing, a steal at this price.

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