BTR5 2021
FLAGSHIP PORTABLE HIGH-FIDELITY BLUETOOTH AMPLIFIER

High-performance DAC ES9219C*2 | Qualcomm CSR8675 | XMOS XUF208 USB
MQA Support | 3.5mm+2.5mm headphone outs FiiO Music app control

*Standard Edition comes with a USB Type-C to Type-C cable

*Apple Edition comes with a USB Type-C to Type-C cable and a 8-strand silver-plated copper braided USB Type-C to Lightning cable

10 SELLING POINTS

High-performance DAC ES9219C*2
Stronger, better performance

MQA support
Unfold MQA tracks for master-level quality

CSR8675 Bluetooth chip
Supports 24-bit audio and LDAC over Bluetooth

Dual crystal oscillators
Precision clock management to restore audio signals of different sampling rates

XMOS XUF208 USB chip
Supports up to 384kHz/native DSD256 decoding

USB Audio Adapter mode
Turns off charging and becomes an audio decoder for your phone

OLED display
Intuitively displays info with easy access to settings

3.5+2.5mm dual outputs
Bringing pure sound to a greater variety of earphones

FiiO Music app
Channel balance, selectable filters, 10-band EQ

In-vehicle mode
Automatically turns on and off with your car

A THOROUGH CORE UPGRADE

The core of the BTR5 2021 has been renewed with the ES9219C DAC chip with better decoding performance, higher signal-to-noise ratio, and lower power consumption. Let a new chapter in wireless sound quality begin!

	ES9218PC	ES9219C
DAC Architecture	ESS Patented 32-bit HyperStream®II	ESS Patented 32-bit HyperStream®III QUAD DAC+™ with QUAD DAC+
THD+N	-114dB	-114dB
SNR	130dB	130dB
Filters	8 selectable filters	2 selectable filters
MQA	/	MQA Renderer
Max Sampling Rate	384K/DSD256	384K/DSD256
Distortion Compensation	THD Compensation	THD Compensation + Analog THD Removal

MQA SUPPORT FOR MASTER QUALITY SOUND

A new addition to the updated BTR5 2021 is support for MQA Renderer, allowing for high-resolution, master-level sound quality in reasonably sized files well-suited for your mobile device.

*Supports up to MQA 16x decoding with applicable music apps

CHANGE YOUR EXPERIENCE STARTING FROM THE CONNECTION

FULL HI-RES WIRELESS BLUETOOTH FORMAT SUPPORT

Your Bluetooth device can be transformed into a part of a Hi-Res Wireless setup by simply connecting it to the BTR5 2021. With the help of the BTR5 2021's Bluetooth version 5.0 supporting high-resolution formats such as AAC/SBC/aptX/ aptX Low Latency/aptX HD/LDAC up to 96kHz, you can get a totally portable yet excellent sounding setup with your current device!

FULLY EQUIPPED TO TACKLE USB WITH POWER TO SPARE

Utilizing an XMOS XUF208 control chip, the BTR5 2021 is capable of asynchronous audio decoding under USB Audio Class 2.0. As a USB DAC, the BTR5 2021 can decode up to 384kHz sampling rate and native DSD.

Asynchronous USB DAC
384kHz support
DSD256 (native DSD decoding)

*USB DAC functionality supports 2 modes, driverless USB 1.0 and high-performance USB 2.0 (the latter requires a driver from the FiiO website).

AUDIOPHILE APPROVED PERFORMANCE

The Qualcomm CSR8675 is a low-power Bluetooth chip with enhanced audio capabilities, such as supporting 24-bit audio processing and possessing a 120 MHz DSP, allowing it to powerfully handle various Bluetooth decoding functions with ease.

FPGA PRECISION CLOCK MANAGEMENT

An FPGA is responsible for the transmission and reception of Bluetooth and USB digital audio signals, as well as clock management. In the BTR5 2021, after the Bluetooth signal is processed through the FPGA, jitter is greatly reduced and signal stability is improved, completely solving the problem of different clock rates that exist between the different parts of the audio architecture.

*Tests have shown that Bluetooth music playback quality under LDAC is as good as local playback on a high-end audio player.

INDEPENDENT DUAL CRYSTAL OSCILLATORS FOR ACCURATE AUDIO REPRODUCTION

With the addition of a dedicated FPGA, the 45.1584/49.152MHz dual crystal oscillators can more accurately reproduce audio signals under various sampling rates during Bluetooth and USB decoding.

BALANCE BEFITTING OF A FLAGSHIP

For greater power and detailed resolution, the BTR5 2021 features both balanced and single-ended outputs. In its balanced audio architecture, each channel is driven separately with its own DAC and amplifier, allowing the BTR5 2021 to bring a purer sound with unmatched finesse and balance.

*In order to ensure the BTR5 2021 operates normally, when both 3.5mm and 2.5mm outputs are inserted into, only the 3.5mm port will output sound.

DISPLAYING ITS BEAUTY FOR ALL

The one display shows all – a major feature of the BTR5 2021 is the crisp 0.49 inch 64x32 resolution OLED screen that displays pairing/connection/call status/power status/encoding format/ volume. And with the display, you can call up a menu that allows you to visually view and adjust the charging status, enable car mode, change filters and EQ, etc.

KEEPS YOU GOING ALL DAY

With a built-in 550mAh battery, the BTR5 2021 only takes 1.5 hours to fully charge but lasts for a length of 9 hours!
*3.5mm output, using AAC codec

550mAh battery capacity
9 hours battery life
1.5 hours full time

2 MICROPHONES WITH CVC 8.0 NOISE CANCELLATION

While the BTR5 2021 has a built-in omnidirectional high sensitivity microphone, you can use an external microphone in a 3.5mm CTIA headset. When using either set of microphones you can benefit from CVC 8.0 noise cancellation technology, which intelligently adjusts microphone gain and effectively suppresses background noise for crystal clear calls.

*When using OMTP headphones, audio output is guaranteed to work but the microphone and in-line controls may not work properly.

IT'S SPUNKY BUT IT REMEMBERS FOR YOU TOO

When you connect the BTR5 2021 to your phone, the phone's volume and the BTR5 2021's volume can be adjusted separately, allowing you to better fine-tune the volume to your needs. The BTR5 2021 also conveniently remembers your desired volume.

*When paired with an iOS device, you can view remaining battery in the widget.

TRANSFORM INTO A USB AUDIO ADAPTER

When a USB connection is detected the BTR5 2021, it will automatically prompt you to turn on "USB Audio Adapter" mode, which turns off charging to the BTR5 2021 and allows you to use it as an audio dongle for your phone or other devices.

USE IT EVERYWHERE

Connect to your wired headphones
Instantly improve the sound coming from your smartphone

Decode your computer's audio
Let the professional XMOS solution handle it

Connect to your car's AUX in
Listen to high-quality lossless music from your phone in your car

Connect to your desktop setup
Get more enjoyable high-quality music with your setup

Receive your TV's audio
Creating your own private concert hall

Turn on Switch mode
Switch freely between USB 1.0 / USB 2.0 for greater device compatibility including the Nintendo Switch and PS5 for immersive gaming

YOUR OWN PERSONAL MUSIC DJ

Download the FiiO Music App (or FiiO Control APP) to remotely control the BTR5 2021, making for a flagship-grade experience.

*EQ will be invalid under LDAC.

THOUGHTFULNESS IN EVERY DETAIL

When connected to a phone and acting as a USB DAC, the BTR5 2021 can be configured to not needlessly drag power out of the phone. The dedicated in-vehicle mode allows the BTR5 2021 to automatically turn on and off with the car, further enhancing your convenience.

National invention patent number: ZL 201710563549.5

EXECUTE COMPLICATED TASKS EASILY WITH INTUITIVE CONTROLS

Display
Microphone
A.Power on/off, Reset, Activate menu, Exit menu, Switch submenus
B.Reconnect/Play/Pause/ Answer a call/hang up/ Cancel a call/Force a pairing, Activate voice assistant, Switch submenus
C.Vol. up/Previous track, Select options under a submenu
D.Vol down/Next track, Select options under a submenu
NFC detecting area

BTRS 2021 AND OLD VERSION COMPARISON

Model	BTR5	BTR5 2021
Audio DAC	ES9218PC*2	ES9219C*2
MQA Renderer	No	Yes
Phone DAC (USB Audio Adapter Mode)	Yes (USB charging needs to be turned off in your device's settings)	Yes (Automatically detects USB connection and prompts to enter adapter mode)
Driverless Mode (Switch Mode)	Yes	Yes
In-vehicle Mode	Yes	Yes
Output Power	SE: 80mW (32Ω load) BAL: 240mW (32Ω load)	SE: 80mW (32Ω load) BAL: 240mW (32Ω load)
Max Sampling Rate Support	UAC 384k/DSD256	UAC 384k/DSD256
Battery Life	PO:9.5h BAL:7h	PO:9.5h BAL:7h
Audio Settings	2 gain levels, 10 EQ settings, channel balance, 3 clock settings, 8 audio filters	2 gain levels, 10 EQ settings, channel balance, 3 clock settings, 2 audio filters
Accessories Std. Edition	Charging cable, back clip, quick start guide	Charging cable, back clip, quick start guide, USB Type-C to Type-C silicone cable
Accessories Apple Edition	None	Charging cable, back clip, quick start guide, USB Type-C to Type-C silicone cable, 8-strand silver-plated copper braided USB Type-C to Lightning cable

Specifications

Model	BTR5 2021	Color Available	Black
Weight	About 43.7 g（incl. battery）	Dimensions	About 72×32×11.1mm (exclusive of back clip)
Audio Input	Bluetooth connection (Bluetooth 5.0 supported)	Supported Audio Format(s)	AAC/SBC/aptX/aptX LL/ aptX HD/LDAC
Driver-free mode（Switch mode）	Supported	In-vehicle mode	Supported
NFC	Supported	Mic Function	Support Bluetooth call, built-in omnidirectional microphone; support external microphone of CTIA cable
Single-ended Headphone Output	3.5 mm stereo port	USB Port	Type C USB
Balanced Headphone Output	2.5mm port	Recommended headphone impedance	16~100Ω（PO）
Balanced Headphone Output	2.5mm port	Recommended headphone impedance	16~150Ω（BAL）
Channel Balance	≤0.1 dB	Gain	Supported(High/Low)
Volume Control	Side buttons	Status indication	Display indicates the Bluetooth code, charging, battery, volume, sampling rate, menu
APP interconnection	Supports setting through App	Bluetooth Codes Display
Charging Time	≤1.5 h (DC 5V 500mA)	Power Input	Recommend DC 5V 500mA
Battery Capacity	550 mAh
Output Power	PO about 80mW（32Ω loaded）	Frequency Response	20Hz～20kHz (aptX ）
	PO about 90mW（16Ω loaded）		20Hz～20kHz (aptX ）
	BAL about 240mW（32Ω loaded）		20Hz～40kHz (LDAC ）
	BAL about 240mW（16Ω loaded）		20Hz～40kHz (LDAC ）
THD+N	PO＜0.003%(LDAC 1kHz 32Ω dbA)	Output Impedance	PO≤1.0Ω（32Ω loaded）
THD+N	BAL＜0.002%(LDAC 1kHz 32Ω dbA)	Output Impedance	BAL≤2.0Ω（32Ω loaded）
Noise Floor	PO≤2uV（ 32Ω dbA）	Amplitude	PO：1.6V（32Ω /THD+N＜1%）
	PO≤2uV（ 32Ω dbA）		PO: 1.8V (no loaded)
	BAL≤2.2uV（32Ω dbA）		BAL: 2.8V（32Ω /THD+N＜1%）
	BAL≤2.2uV（32Ω dbA）		BAL: 3.6V(no loaded)
SNR	PO≥118dB (32Ω dbA)		PO≥ 79dB（1kHz 32Ω loaded）
	PO≥118dB (32Ω dbA)	Crosstalk	PO≥ 95dB（1kHz no loaded）
	BAL≥122dB(32Ω dbA)		BAL≥ 118dB（1kHz 32Ω loaded）
	BAL≥122dB(32Ω dbA)		BAL≥119dB（1kHz no loaded）
Sampling Rate Supported Up to	384kHz/32bit（USB DAC）	DSD Support (USB IN)	DSD64/128/256
hardware scheme	DAC: ES9219C * 2 , USB: XMOS XUF208 , Bluetooth： CSR8675	Accessories	Standard version: charging cable, back clip, quick start guide, Type C to C skin-friendly silicone cable
hardware scheme	DAC: ES9219C * 2 , USB: XMOS XUF208 , Bluetooth： CSR8675	Accessories	Apple Deluxe Edition: charging cable, back clip, quick start guide, Type C to C skin-friendly silicone cable, 8 strands of silver-plated braided Type C to lightning cable

FiiO BTR5 (2021) Portable High-Fidelity Bluetooth Amp/DAC (Open Box)