supports balanced output, allowing Apple to HiFi, and Feiao Q1 Mark II evaluation.

, whether it is a player, earphone or earphone amplifier, Feiao has a wealth of models. However, few of these products are specially designed for Apple's iOS system, and the related ones are almost just a function designed with edges. However, the Q1 Mark II recently released by Feiao is an integrated decoding and earmuff product specifically for iOS system. Let's take a look.

we know that since getting Apple's official MFi certification, Feiao has gone faster and faster on the road to Made for Apple, which can be described as a radical move. Do you remember the last i1? Its functional design is relatively single, and the sound quality performance is obviously different from those of "big guys", and Q1 Mark II is to make up for this gap.

the biggest selling point of this all-in-one decoding ear-to-ear product is Made for iPod/iPhone/iPad, so we can see the corresponding text prompt message on the front of the box.

Feiao's products are similar in packaging design, including 4000-priced players.

adhering to the usual workmanship level of Feiao, the first sight of Q1 Mark II felt that this is a delicate product.

box are here, including a simple storage bag, a 3.5mm analog audio cable, an MFi-certified Lightning adapter wire, a Micro USB cable (which can be connected to a PC or charge Q1 Mark II), four straps, a non-slip anti-wear gasket, and several pages of instruction manual.

When Kun is tied to the mobile phone or player, this anti-skid sheet can avoid direct contact with the shell, thus avoiding wear.

Made for iPhone/iPod/iPad is reflected through this cable. It has passed Apple MFi certification, which is equivalent to the original wire. It is not affected by system upgrade and can be used with confidence.

For Apple's iOS system, Q1 Mark II is plug and play without installing any drivers or setting.

Q1 Mark II host is relatively small, which is much smaller than the cash iPhone. The whole fuselage is made of metal materials, which can resist external electromagnetic interference and is more assured when used in binding. The surface of the shell is sandblasted and anodized, and the hand feel is very delicate. The design of round waist corners makes the grip feel very comfortable.

Q1 Mark II supports balanced and unbalanced dual outputs. The balanced output uses a 2.5mm interface and an unbalanced output uses a 3.5mm interface. In addition, the line input/output shares the same interface, and the integrated switch volume knob forms the front part of Q1 Mark II.

, one is the headset output gain selection, and the other is the low frequency enhancement switch.

this surface has 45-degree chord treatment and the switch on and off and volume adjustment knob with red circle is definitely a highlight of Q1 Mark II's appearance, which is also Feiao's current family design language.

Although the volume adjustment method is a knob, Q1 Mark II still adopts a digital volume adjustment design. Through ADC curve reconstruction, the left and right deviation in the low volume area during analog volume adjustment is solved. In addition, it also avoids the noise problem that may occur in the simulated volume after long-term use.

earlier, I used several external decoding ear-to-ear integrated devices that support Android systems. These devices all have a problem, that is, when connected to the mobile phone, they will consume power from the mobile phone and use the mobile phone as a mobile power to charge themselves. However, this Q1 Mark II is not the case. It supports charging while connecting to a PC computer, and will automatically turn off the charging function when connecting to an iPhone, so it will not consume the battery power of the phone. This is a place worthy of praise for Feiao engineers.

Q1 Mark II uses the XMOS platform. In addition to being compatible with iOS system devices, it also supports connecting to PCs. It can decode PCM audio streams of up to 32bit/384KHz, and can also directly solve DSD format, supporting up to DSD256 specifications. In terms of decoding chip, Q1 Mark II uses AK4452, OPA926 operational amplifier chip, OPA1662 low-pass filter, double clock crystal oscillator, Hi-Res small gold standard certification, etc., which is still very attractive.

Q1 Mark II does not need any driver when connecting iOS devices, plug and play. Connecting the Windows system to be used as a USB DAC requires installing drivers to support ASIO. If the decoding function is aside, Q1 Mark II can also be used simply as an earpiece. Its PO/LO shares one port and can automatically switch between the two modes intelligently.

, the output power of Q1 Mark II can reach up to 75mW under 32 ohm impedance. When the output is balanced, the output power can reach up to 220mW under 32 ohm impedance. The signal-to-noise ratio is greater than 110dB when using USB DAC and greater than 115dB when analog input. Able to adapt to all headphones from 16 ohm to 150 ohm impedance. Its high and low gain switch is designed for this purpose.

, several earphones in my hand can be pushed away with low gain. The first ear sounds that the sound of Q1 Mark II is much better than the decoding output of iPhone. The sound of Q1 Mark II gives people a strong feeling, with rich details and dense sound. The high-frequency extension is longer than that of iPhone 6P, and it is also much brighter, but it is not thin and sharp, and it is not uncomfortable and aggressive to ears, this is rare in Feiao's earring products, or Feiao's tuning engineers have changed, or Feiao's understanding of good sounds has changed. Anyway, the voice of Q1 Mark II is my personal voice.

when I turned on the low frequency switch, the low range, which was originally good, was strengthened, and the sense of quantity was about 1/3 more. however, the depth of diving and elasticity did not change much, but the low frequency was fuller and it was better to listen to some pop music. In addition, judging from the performance of the sound field, Q1 Mark II is better than the straight out of the mobile phone. The horizontal and vertical feeling is greater, and the three-dimensional effect of the sound is also stronger. At the same time, the human voice is not as close to the ear as when the mobile phone is straight out, but has a little ethereal. It is very enjoyable to listen to the female voice.

Compared with the same senior brother i1, Q1 Mark II has obviously stronger control and better performance in details and sound field. Of course, what I personally appreciate most is its tuning, no matter high frequency or low frequency, it is not too much. This is really rare for Feiao.

Q1 Mark II has many similarities with the Pico style of the music map I have evaluated. The difference is their positioning. Pico is a sports portable player, while Q1 Mark II is a portable decoding ear device. The gameplay does not coincide.

Of course, in addition to being tied to Apple's iOS system device Kun, Q1 Mark II can also be connected to a PC computer as an external sound card. Its decoding capability is completely sufficient. In addition, the support for high impedance headphones can be used as a desktop.

, let's take a look at the battery life. Q1 Mark II has a built-in 1800mAh lithium battery, which can provide about 20 hours of battery life. Coupled with the charging specifications of 5V and 2A, it is not a problem to go out of the street or travel. If you change an Apple phone without a 3.5mm earphone interface, but you usually use your phone to listen to more songs, I personally recommend using this Q1 Mark II to make the sound quality of the Apple phone HiFi.

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