ASCII.jp High quality iPhone sound!Choose a portable headphone amplifier

In the music listening style that combines a portable player such as the iPhone and headphones, the combination of a portable type headphone amplifier is steadily increasing in popularity.

We are seeing more and more people using portable players and headphone amplifiers in layers like a heavy box. This time, I will mainly try the latest model of the portable headphone amplifier.

I want a good amplifier for good headphones!

Shure's "SE535" used for audition. It is a high-end model that appeared two years ago, and the current actual selling price is around 37,000 yen.

As the name implies, a headphone amplifier is an amplifier dedicated to headphones. Headphones produce sound with a smaller output than speakers, so normally the line output (stereo mini output) of a portable player can be used for playback without problems.

However, in the case of high-impedance specifications in professional headphones or models with a low output sound pressure level, sufficient volume may not be obtained if connected directly to the line output.

Especially for portable devices such as the iPhone, some output levels are small, so a headphone amplifier is indispensable if you use inefficient headphones. Not only that, more and more people are using it as an audio accessory to upgrade the sound quality of headphones.

Due to the small size of portable players, it is not always possible to obtain good quality music signal output. By amplifying it firmly with a headphone amplifier, you can enjoy it with higher sound quality. How much sound quality improvement effect does it have?

By the way, there are two types of headphone amplifiers: a portable type that has a built-in battery and can be used on the move, and a stationary type that is used by connecting to an AC power supply. This time, the special feature is based on the assumption that it will be used on iPhones, etc., so we are only introducing it to the portable type.

In addition, the headphones use Shure's "SE535". The player is the latest iPod touch, just like last time. The sound quality evaluation is based on the same items as the previous headphones, but the evaluation criteria are different. As a tentative guide, it can be considered that the effect is greater as the number of ★ increases, and the effect is smaller as the number of ★ decreases.

Oyaide Electric "Fiio E02i" that is compact and easy to use so that it can be clipped to clothes etc.

Easy iPhone / iPod / iPad headphone amplifier "Fiio E02i" that you can buy for less than 5,000 yen

The "Fiio E02i" (actual price of around 4000 yen) handled by Oyaide Denki is a compact headphone amplifier with a clip that can be easily attached to clothes. The size of the main body is width 23 x depth 57 x height 15 mm, and the weight is about 27 g.

Connect with iPhone 5.Remote control is possible with headphones without a remote control

It has a built-in microphone and can talk on the phone.

In addition to the amplifier function, it also has a microphone / remote control function, so if you use this, you will be able to make voice calls and control playback on your iPhone even with headphones that are not equipped with a remote control.

In addition to its compact size, the metal jacket body has a high degree of rigidity and is solidly made.

Equipped with a USB terminal for charging on the side

Charging is done with the USB terminal, and it can be continuously driven for about 10 hours with a charging time of 90 minutes. It also has a bypass function, so you can continue listening even when the battery is depleted. As a function, there is also an on / off type bass boost function.

Bass power increases and changes to a powerful sound

The change in sound quality is noticeable in the bass of anime songs and pop music. The feeling of volume increases and the thickness of the sound increases. For this reason, the rhythm gives a stronger impression, and the vocals are also energetic and energetic.

Even if you don't use the bass boost, the bass feeling is considerably enhanced. The headphone amplifier itself has a strong character, and it is a type that changes the way you hear the sound.

When listening to jazz, the bass of the wood bass changes, the brisk sound becomes powerful, and at the same time, the fine expression of the strings waving becomes rich. For this reason, the music as a whole became a powerful and dynamic reproduction.

In classical music, I felt that there was a difference in the clearness of the delicate reproduction of stringed instruments, in addition to the increase in scale due to the bass. It seems that he also has a high-frequency character that makes the strings look more glossy.

If anything, it tends to be a powerful reproduction with sharpness, and headphones with an originally energetic character may be too messy. It seems to be good to use it to add a little more bass to the sound that tends to be calm.

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