5K DAC AMP

QX-Over Earphones

QX-Over Earphones

QX-Over QX-Over is an active digital crossover with Qudelix's proprietary DSP technology. Qudelix-5K automatically detects QX-Over Earphones, processes the stereo input, and outputs Stereo Low and High band independently to...
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Mobile App

Mobile App

Google Play: https://play.google.com/store/apps/details?id=com.qudelix.qudelix Apple App Store: https://apps.apple.com/kr/app/qudelix/id1515641059?l=en   5K allows the APP connection with one device at a time. iOS App uses the BLE link. So, you will see Qudelix-5K...
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PC Chrome App

PC Chrome App

PC Chrome App (beta) is now available! For the PC USB DAC use case, you don't need the iOS/Android mobile app anymore. You can control and monitor every detail of...
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Audio Codecs

Audio Codecs

    The Qudelix-5K is the world's 1st Bluetooth DAC/AMP to support all the latest codec technologies, including aptX Adaptive, LDAC, AAC, aptX HD,  aptX, and SBC.  aptX Adaptive is...
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Equalizer

Equalizer

QCC5124, the heart of 5K, embeds dual-core 32-bit KALIMBA DSP running at 120MHz.  *CSR8675 has single-core 24-bit KALIMBA.  Moreover, the new operating system for KALIMBA DSP enables the device to...
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QCC512x

QCC512x

The new Qualcomm® Low Power Bluetooth SoC QCC5100 series is designed for advanced Bluetooth application. The breakthrough SoC series is engineered to reduce power  consumption by up to 65 percent...
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Button & LED

Button & LED

5K has four buttons and two LEDs. The volume buttons are with Red LED, and multi-functional buttons are with Blue LED. You can easily recognize and distinguish the left and...
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Warranty

Warranty

One year warranty (Basic Plan) From the date of the first app connection Automatically activated from the first connection with the companion mobile app Any problem arises due to a...
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SONY LDAC

SONY LDAC

We, Qudelix, have developed the LDAC library for QCC512x by ourselves, upon the official technical partnership contract between SONY and Qudelix. It's the proof of the world-class R & D...
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RF Antenna

RF Antenna

High Sensitivity 3-dimensional LDS Antenna is printed on the bottom case and is placed around the red LED button. 5K provides the best RF performance in most use cases. However, for...
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PCBA

PCBA

5K has three BGA(Ball Grid Array) IC parts; QCC5124, and two ES9128p. To enhance the PCB reliability and durability, we did the epoxy underfills on those sensitive BGA parts, although...
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Package

Package

PACKAGE 91mm (L) x 55mm (W) x 55mm (H) INCLUDED USB C-toC & USB C-to-A Cable (120mm)
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Size & Weight

Size & Weight

Size: 52.8(H) x 26.7(W) x 15.6(D) mm (including Clip)  Weight: 25g  
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Battery Time

Battery Time

Use a standard 5V charger or PC USB only. (Do NOT use a high-speed charger)  Warranty void for any permanent damage caused by using a high-speed charger.   The battery...
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USB DAC

USB DAC

5K supports 96KHZ/24-bit USB audio streaming. USB Audio Class 1.0 / No additional driver needed. Windows, macOS, and Linux USB C-to-C direct connection with Android smartphones You can have it...
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ES9219C

ES9219C

We want the device to work as a universal DAC/AMP for both high-sensitivity IEMs as well as high-impedance open-back headphones. We want it simple, small, yet but powerful. In addition...
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Volume Control

Volume Control

5K offers 2-way associative volume control for optimal sound quality. It always keeps and guarantees the full-scaled audio stream over Bluetooth or USB. In either way, you can control the...
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DAC FILTER

DAC FILTER

PRE-RINGING The general music sound has the most of the energy in the low and mid. There is not much energy at the maximum Frequency region that is to be concerned...
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