AudioQuest Beetle Optical Bluetooth USB DAC (Digital-to-Analog Converter) with Jitterbug USB Data and Power Noise Filter

Model: WWSBTLJT UPC: 656237889798 Item: 169384


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Beetle Optical Bluetooth USB Digital-to-Analog Converter

The multiple award-winning AudioQuest DragonFlys just got a sibling -- the AudioQuest Beetle joins the Digital Critter family of small, highly affordable, and surprisingly potent devices that make even expensive headphones or whole systems sound a lot better.

By accepting not only USB audio, but also Toslink cable and Bluetooth wireless, the Beetle improves the sound of every way you enjoy music, movies, and video. Using the Beetle instead of the low-quality built in Digital-to-Analog-Converters (DACs) supplied with powered speakers, TVs, computers, phones, multiroom devices, etc., actually does what the old cliché says – the Beetle will bring your system to life.


  • MQA playback over USB enabled with forthcoming firmware update
  • 24/96 asynchronous-transfer USB means no external driver required
  • Operating firmware updatable with free AQ device manager app
  • Minimum-phase digital filter for natural, relaxed sound
  • Superior linear (Analog, Not Digital) power supply
  • Standard pairing procedure when using Bluetooth

Toslink Optical Input

The Beetle’s Toslink optical input allows you to connect to the many devices whose analog outputs are not blessed by a Beetle-quality DAC, and to those, like many of today’s TVs, that don’t have an analog output at all. Televisions, media servers, and gaming consoles are just a few of many possible applications.

When there is a choice of digital outputs, the RF noise isolation provided by optical will often give a Toslink connection a tremendous advantage over a metal connection. However, please remember that Toslink cable quality varies just as widely as from the poorest to the very best USB, Coax, Ethernet, etc.

Bluetooth Receiver Using Asynchronous-Transfer

For Beetle, AudioQuest created the first asynchronous-transfer Bluetooth (Stream-length BT) receiver. When Beetle’s Bluetooth is used with smartphones, tablets, and other Bluetooth enabled devices, you will be amazed at how much better Bluetooth can be.

No, the bit rate still maxes out at 320K – but a properly received and rebuilt 320K audio stream can be astonishingly enjoyable and articulate. "Audiophile Bluetooth" is no longer an oxymoron.

Please note that Beetle only receives Bluetooth signals and does not transmit.

 Asynchronous-Transfer USB

The Beetle could have one of those “DragonFly Inside” type labels since the Beetle uses the same Streamlength Asynchronous USB software and many of the same parts as AudioQuest’s remarkable DragonFly USB DACs.

The Beetle’s Micro-B input accepts USB digital audio from mobile devices, computers, network attached servers, etc., providing clearer, cleaner, more immersive sound to headphones, powered speakers, or audio components.

JitterBug Dual Function USB Data and Power Noise Filter

AudioQuest’s new dual-function JitterBug is a USB line (VBUS) and signal (data) filter. JitterBug follows the footsteps of AudioQuest's award-winning, category-defining DragonFly USB DAC, and their best-in-class, USB, Ethernet, FireWire, and Thunderbolt digital interconnects, promising the next step forward in high-performance computer-audio playback.

While USB (along with Ethernet) has become one of the two most important and widely adopted interfaces in the age of computer audio, it does come with its own unique sets of liabilities—mainly sound-degrading noise currents. All computing devices, whether they be laptops, phones, NAS, or even dedicated “music servers,” inherently generate a significant amount of noise and parasitic resonances. In addition to this, many computers (the least offensive being laptops, as they are required to meet rigorous safety standards) can and often do contribute a considerable amount of RFI and EMI pollution onto the signal paths—all of which can easily find its way onto your USB cables and into your audio system. This noise and interference has many negative effects. Noise-compromised digital circuitry increases jitter (dispersion in time) and packet errors, resulting in distortion that causes a comparatively flat and irritating sound. Noise-compromised analog circuitry also damages the sound’s depth, warmth, and resolution.

Fortunately, AudioQuest has devised a solution for dealing with these liabilities. JitterBug’s dual-circuitry measurably reduces unwanted noise currents and parasitic resonances. It also reduces jitter and packet errors (in some cases, packet errors are completely eliminated.) The result is clearer, more compelling sound, music, and dialogue — a better audio experience.

Slightly smaller than their DragonFly USB DAC, and with a handsome, unassuming appearance, JitterBug has a USB (male) plug on one end and a USB (female) port on the opposite. For those who already own DragonFly, JitterBug will be a fun and affordable upgrade: Simply plug JitterBug into any one of a computer’s available USB ports, then plug DragonFly into JitterBug’s USB port.

But JitterBug is far more than an obvious partner for DragonFly. In fact, its versatility may very well match that of the USB standard itself: JitterBug can be successfully used with external USB DACs ranging from the very modest to the absolute state of the art. Simply plug JitterBug into an available USB port, and use a USB cable to connect JitterBug to the DAC of choice.

Many computers include more than one USB port. For additional improvement to a system’s overall sound, a second JitterBug can be used in parallel (but not in series) with the first. The improvement is audible through the active audio port, whether or not the second JitterBug fills an empty USB port, or is used in series with some other peripheral, such as a printer.

Note: They recommend no more than two JitterBug filters per USB bus. If you do not know how many USB buses exist on a given device, err on the side of caution: Presume that there is a single bus and use no more than two JitterBugs.

JitterBug can also be used with mobile phones, portable media devices, USB peripherals, and network storage/streaming devices. Many receivers, DACs, and automobiles include USB input ports that are compatible with iOS and Android devices, enabling music lovers to use their mobile phones or USB memory sticks as audio sources. By first plugging a JitterBug into the associated USB input port, the playback performance of such media devices can be significantly improved. In cases where a noisy external computer peripheral (such as a printer, camera, or hard drive) must be connected to a computer-audio system, JitterBug can be used in series with the peripheral device. Similarly, streamers, Network Attached Storage devices, and routers may all include USB ports, and all can benefit from JitterBug’s noise filtering—again, regardless of whether the associated port has a device connected to it.

Simply put, JitterBug’s dual-circuitry measurably reduces the noise and ringing that plague both the data and power lines of USB ports. As with many things in audio, the effect of JitterBug on the overall sound of a system may vary slightly, depending on the associated gear and application. Experimentation is enthusiastically encouraged. The results will likely prove more than worth the effort.


  • For use in series (in line) with any computer and USB DAC (digital-to-analog converter)
  • For use with computer peripherals, mobile phones and media devices, and network streaming and storage devices
  • Reduces the noise and ringing that plague both the data and power lines of USB ports
  • Measurably reduces jitter and packet errors
  • Improves dynamic contrast, warmth, and resolution


  • Use one JitterBug in series (in line) with any computer and USB DAC (digital-to-analog converter).
  • Use an additional JitterBug in parallel with the first for improved playback performance.
  • Use JitterBug with other locally connected USB devices, such as hard drives, printers, and cameras, to effectively reduce audio interference.
  • Use JitterBug with USB-enabled network devices, such as routers, NAS devices, and streamers.
  • Use JitterBug with mobile devices into audio systems in the home and in the car.



Beetle Optical Bluetooth USB Digital-to-Analog Converter

  • Optical input: 24-bit/96kHz
  • Asynchronous Bluetooth (software upgradeable)
  • Asynchronous USB input: 24-bit/96kHz
  • Analog output: 3.5mm
  • Microchip MX Series microcontroller
  • ESS 9010 DAC (minimum-phase filtering)
  • 64-bit, bit-perfect digital volume control (USB and Bluetooth only)
  • Output voltage: 1.35v

What's in the Box

What's in the Box

Beetle Optical Bluetooth USB Digital-to-Analog Converter

JitterBug Dual Function USB Data and Power Noise Filter


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