FiiO BTR1 V2.0 aptX Bluetooth Headphone Amplifier [b-Stock]



B-Stock product, ( read below) in excellent conditions, original box, full warranty.

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26,64 €

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Brand: FiiO


The highlights of the FiiO BTR1 at a glance:

  • Compact all-in-one - Bluetooth, DAC and amplifier in one
  • Bluetooth receiver with aptX - Receives wireless music from the smartphone or computer
  • Easy to use - Volume control directly at the housing
  • Microphone integrated - easy to use and use wizards
  • Universally applicable - Fully compatible with Android and iOS

Bluetooth cable?

Sounds funny, but is so. This is the real meaning and purpose of the Fiat BTR1. A wired connection to make wireless.

If you have a good headphone, this classic with the appropriate cable for the best sound. If you want to use the headphones but also on the road, does not necessarily need a fixed cabling with the smartphone or laptop. Or think of sports. Also, a fixed connection to the smartphone or portable music player is often a hindrance.

Or has your smartphone no longer a 3.5 mm jack port, and you would have to buy a new headphone with Bluetooth? Not with the Fiat BTR1.

The design of the Fiio BTR1

The FiiO BTR1 looks like a bigger USB stick. A USB stick with an integrated 3.5 mm jack connector.

The housing is made of light and resistant black aluminum. In addition, the housing is a practical and robust metal clip, with which the BTR1 can be attached to the clothing, the belt or the carrying strap of the bag. Simple and practical.

The technology of the FiiO BTR1

The music transfer to the BTR1 is via Bluetooth 4.2 with the support of the codecs SBC, AAC, aptX and aptX low latency

Thus, the music comes in full bandwidth on the connected headphones.

Simple operation - directly on the device

There are three buttons on the BTR1 housing. With the round button in the middle, the BTR1 is switched on and off, play / pause is set, the connection to another device is executed, calls are accepted and rejected, and the equalizer is activated (or deactivated).

The other two buttons are the two sides of the comfortable volume control. The volume rocker protrudes slightly from the housing so that it can be easily touched and operated.

This makes the control as simple and comfortable as possible.

Full compatibility - iOS or Android

The BTR1 is fully compatible with iOS and Android, and also supports the support of classic 3-pole headphones and 4-pole CTIA cable remote controls. Using cable remote control, you can control both tracks forward / back, volume up / down, play / pause and answer / hang up calls.

And, of course, the BTR1 also has a built-in microphone that can be used to make calls, among other things.

Maximum freedom and best sound

The wireless transmission between the music source and the Fiat BTR1 takes place with a maximum of 24 bits and 96 kHz, the range is a maximum of ten meters. This guarantees maximum freedom of movement and great sound at the same time.

And that is exactly the point.

Can be coupled in parallel with two devices

Once you've tried the BTR1, you'll want to use it. Mostly also on several devices. What is closer than the BTR1 notes the connections, and establishes a connection directly when it is close?

Thus, the BTR1 brings a memory for two devices, to which it directly connects again after the first, initial connection (always connects first to the last coupled device).

Small battery - Great running time

The BTR1 has a battery with 205 mAh capacity. What first sounds like a little, guarantees a running time of up to 8 hours. And in less than 2 hours the battery is already full.

The battery status can also be queried directly under iOS and most Android devices. So you always have full control.

Main features Summary :

1. Bluetooth 4.2, supporting SBC, aptX, aptX low latency
(Good compatibility: compatible with Android, iOS and many other types of devices)

2. Discrete high-performance DAC chip, up to 48kHz/24bit decoding support, designed additionally with high-performance work mode
(SNR≥95dB, far better than average Bluetooth receivers, free of background noise even when connecting to high-sensitivity headphones)

3. Supports Bluetooth voice calls, with built-in omnidirectional microphone
(Equal to smart phones' built-in microphone, which makes you enjoy high-quality phone calls)

4. Rechargeable Li-on battery, with around 9 hours' battery life
(Around 9 hours in normal work mode, and around 6 hours in high-performance work mode <Will also adjust>)

5. Working status indicator (Blue + Red) and discrete audio effect indicator
(Remotely switch the audio effect without taking out your phone, easy and convenient)

6. Metal clip design and lanyard
(Easily clip to your collar, bag straps or anywhere)

7. Utilizes the standard 3.5mm headphone port and supports in-line remote control
(In-line remote control available with both CTIA standard 4-pole headphones and normal 3-pole headphones)

8. In-line remote control supports play/pause, volume up/down, previous/next track, answer call/hang up.

9. Bluetooth effective range: around 10 meters

Project background:
Back in August 2016, we had planned a Bluetooth headphone amplifier. In the earliest design, it has a headphone cable and is much smaller. To learn more about it, you may check this post

And during the design process, the product shape has changed quite a lot. It's mainly because the small size design could not meet our requirement for the high sound quality. So we have aborted the design of integrated headphone cable and upgraded the project to the BTR1, which has a 3.5mm headphone port and is more applicable. What's more, since the short headphone cable is not everybody's choice, we eventually decided to sell the cable separately and will not supply it as standard accessory. This very first short headphone cable is applicable to the MMCX connector headphones, including our F5.

Ver2.0 Support: aptX, AAC, SBC.

Model Name/NumberBRT1/FB1121 V2.0Color AvailableBlack
WeightAbout 20.5 g (incl. battery)DimensionsAbout 24mmx50mmx11.6mm
Audio InputBluetooth connection (Bluetooth 4.2 supported)Bluetooth codecSupporting SBC, aptX, AAC
Headphone output3.5 mm stereo jackDrive ability16~100 Ω (recommended)
Volume ControlSide buttonsCharging IndicationRed light indicates , green light turns on after fully charged
Charging Time≤2 h(DC5V 500mA)Power inputRecommend DC5V 500mA (Micro USB charging port)
Battery Capacity205 mAhBattery Lifeabout 8 h
Output Power≥30mW (16 Ω/THD<1%)
≥ 15mW(32Ω/THD<1%)
Frequency Response20 Hz~20 kHz
THD+N<0.04% (1 kHz)Output Impedance<0.2 Ω
SNR≥95dB (A-weighted)Max Input Level0 dB
Crosstalk≥ 72 dBChannel Imbalance0.2 dB
Peak Output Voltage2 Vp-pMAX Output Current>22 mA
Chip Used

Bluetooth chip:CSRA64215

DAC chip:AK4376

MIC FunctionSupported

A ´B-Stock´ is a product which has been returned by a customer within their 14/30 Day Money Back Guarantee.

These items are offered at a special, reduced price. Please note, that occasionally the packaging is no longer in pristine condition.

B-Stock products are in full working order and are checked by specialists before releasing them as B-Stock. They come with the full 2 year warranty as any other new product.

Any special comments about a B-Stock product will be noted at the beginning of the article description.


FiiO logo

About FiiO Electronics Technology Co., Ltd.

01 Brand Introduction - HiFi+Fashion

FiiO Electronics Technology Co., Ltd. was established in 2007.  It is a high-tech enterprise that combines research, development, production and sales, and its sales are mainly based on its own FiiO brand as opposed to OEM/ODM.  It focuses on digital audio, with current mainstay products being portable headphone amplifiers, DAC / amps and portable digital audio players.

FiiO: It is composed of Fi (Fidelity) from HiFi and iO (represents number 1 and 0) which indicates the sincerer feeling and more convenient life the digital tech has brought to us.

飞傲: The Chinese transliteration of FiiO, as well as representing youthful vigor and the active & innovative spirit of the company.

Audio products are meant to fulfill the spiritual pleasure of users.

  1. FiiO provides products and service related to music.
  2. We also hope to bring happiness to our users with the provided products and service, which is also the key value of FiiO.

Customer Service

  1. Good after-sales service, more reliable
  2. Great user experience, more pleasure
  3. Variety of activities, more involved

About products

  1. Affordable: FiiO products are well-known for its feature of high cost-performance. Lowering the entry level to make more customers can afford.
  2. Easy to use: FiiO pays great attention to the user experience. We are not only provide products with high quality, but also easy to use and with long lasting durability.
  3. More accessories bring more fun: Enable to play in a variety way and use under more possible environments.
  4. Updates available: Equipped with a variety of ports, it makes the music players can still connect to external amp/DAC for upgraded enjoyment.
  5. Endless transformability available: With replaceable amp module and expandable storage, the X7 can bring more playability.

02 Company Profile

Research & Development Team

  • Twenty years of R&D experience in audio products
  • Former core R&D team for audio products from OPPO
  • A team of 20 professional R&D engineers in software, hardware, industrial design, structure and electro-acoustic.

Research & Development Investment

FiiO keeps bringing in advanced equipments and high-tech talents so as to ensure the stable growth and long term competitive edge. Up till now, the team size has expanded three times than that of 2007 when we established.

Team Composition

The R&D team is made up of development dep, engineering dep and QC dep, with 60+engineers in total.

Authorized certifications

FC, CE, KC, CCC and ISO9001:2008 ensure the safety and quality of the products.

Production management

FiiO has strict requirements to production with almost “zero tolerance” even to small problems, which is strictly in compliance with the International Quality Management System ISO9001. 

QC Equipment 

  • a. AP audio analyzer (valued at 200,000RMB).
  • b. Life-span test platform against high & low temperature, swing and plug & unplug trial.
  • Aging test carriage towards mass production.
  • Aging test machine under high & low temperature.

Customer oriented

Driven by customers’ needs, we innovate constantly and response promptly to the market changes. We develop new products based on customers’ needs and compete for more market shares.

Company culture - Our Vision

Present the world a better “Made in China”.

Brand Spirit

  • Innovation

the earliest company that designed the minimum volume headphone amplifier. First dockable amp & DAC product. First amp specially designed for iPod/iPhone. First amp with adjustable power supply and power supplied by mobile phone battery. First multifunctional headphone amp & DAC for Android smarphone. First Hi-Res music player at a price lower than 1000RMB supporting 192K music. First Android-based Hi-res music player. 

  • Quality

Repair Rate < 1%. Sound Quality Control system. Original components imported from TI, Wolfson, Maxim. Company-wide quality control. +20 quality engineers and inspectors. Complete testing facilities. 

  • Service

CEO at the frontline of customer service. 100% response to enquiries. The most popular headphone amplifier brand on Head-Fi. First class website and contents in the audio industry. Interaction with and support to customers on Facebook and Microblog (twitter-like social website).

Brand Mission

FiiO designs, produces and sells high-quality products at favorable prices to those who love music and style.

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FiiO BTR1 V2.0 aptX Bluetooth Headphone Amplifier [b-Stock]

B-Stock product, ( read below) in excellent conditions, original box, full warranty.

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