Grado SR60x - Prestige Series

BTR3K Balanced High-Fidelity Bluetooth Amp     Selling points： Balanced output | High-performance DACs AK4377A*2 | Supports LDAC/aptX HD lossless Bluetooth codecs | Bluetooth 5.0   Selling points summary： 1、Balanced and SE output：Truly balanced design with better measurements and better actual sound 2、Strong decoding：Flagship Qualcomm CSR8675 3、Lossless support：Bluetooth 5.0，supports LDAC/aptX HD and other lossless formats 4、Improved measurements：2x high-performance AK4377A DACs 5、Precise signal reproduction：dual 22.5792M/24.576M crystal design 6、Double-sided 2.5D glass：aluminum alloy body + double-sided glass 7、Helps with computer audio: Driverless, plug-and-play USB DAC 8、RGB light indicator: quickly identifies Bluetooth format 9、Precise volume control：Volume control independent from device 10、Extended functionality from app：channel balance, audio filters, EQ   Captivating you through your fingers Silky smooth surface The aluminum alloy body wrapped elegantly in an arc of 2.5D glass like that used in the latest smartphones, the oleophobic coating that keeps off fingerprints, the high contrast black lettering and the smooth texture give the compact BTR3 an elegant look that would not be out of place in a specialty artisan抯 shop.   Now with balanced and SE output Incredible performance gains Building off of what made the BTR3 so good, the BTR3K implements balanced output. It is a truly balanced design, with a DAC and amplifier carefully paired for the left and right channels each, for the purest sound possible.   Robust, full-bodied sound High performance AK4377A DACs With two high-performance AK4377A DACs, the power output has increased by 50% compared to the AK4376 used in the BTR3 as well as greatly improved measurements and actual sound.   Distortion -107dB | S/N Ratio 122dB | Output power balanced 78mW | Output power SE 25mW   Independent dual crystal oscillators for accurate audio reproduction The dual crystal oscillator system in the BTR5 also comes to the BTR3K! The 22.5792M/24.576 MHz dual crystal oscillators mean that during Bluetooth and USB decoding, the BTR3K can more accurately reproduce audio signals under various sampling rates ?due to greatly reduced jitter and greatly increased audio stability.     A robust inner core Qualcomm CSR8675 Flagship-level Bluetooth abilities The Qualcomm CSR8675 Bluetooth chip used in the BTR3K is a premium low-power solution designed for enhanced audio applications, with a 120 MHz DSP, support for 24-bit transmission and processing as well as abilities to decode multiple lossless Bluetooth codecs. No matter whether you watching videos, listening to music, or enjoying your favorite game, this chip will ensure you get excellent sound quality.   Speedy Bluetooth connection The BTR3K upgrades to Bluetooth 5.0, which means faster pairing and more stable signal strength for a better overall experience. Support for the AAC/SBC/aptX/aptX LL/aptX HD/LDAC audio formats ensure that you抣l get the best sound quality possible from the BTR3K.   An extremely useful little light With so many Bluetooth formats being used in various places, the RGB light indicator quickly tells you which format is currently being utilized.   SBC：Blue light | AAC：Cyan light | aptX/aptX LL：Purple light aptX HD：Yellow light | LDAC：White light   Listen and charge with Type-C You can listen while charging with the USB Type-C connector. As a matter of fact, the BTR3K takes only 1.5 hours to fully charge but allows for a lengthy 11 hours of playback!   Crystal-clear calls free of noise The built-in amplifier in the BTR3 not only ensures your music sounds good, but that your calls do too. To further enhance your calling experience the BTR3 is not only equipped with omnidirectional microphone and phone controls, it is also equipped with the eight generation Qualcomm抯 cVc noise cancellation technology, which effectively suppresses background noise so that your call comes through as clear and audible as possible.   Flexibility specialist Adapts to various kinds of wired headphones The BTR3K can automatically tell what kind of headphones you plugged into it and adjusts its output accordingly. And when you plug in headphones with CTIA controls, you can use the microphone as well as the play/pause, volume, and track selection controls.   Great connection convenience Supports pairing to 2 devices simultaneously The BTR3K can be paired with and remember up to two Bluetooth devices at once, allowing for even more convenience. Simply use whichever device you want to pair the BTR3K anytime without hassle!   Quick and convenient volume control When you connect the BTR3K to your Bluetooth device, the device抯 volume and the BTR5抯 volume can be adjusted separately, allowing you to better fine-tune the volume to your needs. The BTR3K also remembers your desired volume, so you don抰 have to adjust the volume to where you want it every time you use the device.   Get your music on the road The BTR3K supports a car mode that allows you to easily listen while driving, so you can enjoy great music during every trip! *When car mode is enabled and the USB cable is connected, the BTR3K will automatically turn off and on along with the car.   Give your older speaker new life What if your great-sounding older speaker doesn抰 have Bluetooth? Don抰 let it go to waste ?simply connect the BTR3K to the 3.5mm jack of the speaker, and let the wireless music rejuvenate it!   Spice up your computer抯 audio With the help of the BTR3K抯 USB DAC functionality, you can listen to music on your computer with massively improved quality. Simply connect your headphones to the BTR3K while it is connected to your computer, and enjoy your music on there whenever.   Give a holler when you need help Simply use the BTR3K to call up your smartphone抯 assistant without even having to pull it out.   Intelligently puts your music at your fingertips When your device is connected to the BTR3K and is using the FiiO Music app to play music, the BTR3K can be remotely controlled with the following functions: 1、Channel balance 2、Switch between 4 kinds of audio filters 3、10-band professional EQ (equalizer)   Free to go with you wherever You should be able to take your music with you wherever. The BTR3K comes with a symmetrical, detachable rear clip that allows you to easily carry it around.     Parameters Volume Adjustment Can be adjusted independently from phone volume Bluetooth Profiles A2DP (enhanced)，AVRCP，HFP，HSP Bluetooth codec support SBC/AAC/aptX/aptX LL/aptX HD/LDAC Bluetooth Chip CSR8675 DAC AK4377A*2 Amplifier USB DAC Supported Power/Pairing Button Yes Dedicated Pairing and Play Buttons Yes Dedicated Volume Buttons Yes Reception Range Approx. 30 m (unobstructed)，LDAC (quality priority 4 m) Format Indicator SBC：Blue、AAC：Cyan、aptX HD：Yellow aptX/aptX LL：Purple、LDAC：White Hands-free Calling with Microphone Supported Voice Assistant Activation Supported In-line Controls Supported NFC Not supported Audio Outputs 2.5mm、3.5mm headphone jacks USB Connector Type-C Battery 330mAh Battery Life Approx. 11 hours Charging Time 1.5 hours Check battery on iOS device Supported (Android device support for functionality will vary) Auto Standby if no audio signal Supported Dimensions 58?5?1mm Weight 23.5g Included in Package Manual and warranty Card, USB Type-C cable, rear clip, lanyard