RADSONE / ES100

RADSONE's EarStudio ES100 is a 24-bit Bluetooth DUAL DAC-equipped wireless receiver with balanced connection, allowing you to enjoy high-quality sound from your favorite earphones wirelessly.

■Supports 24-bit with Qualcomm aptX HD codec support. You can enjoy the same sound as your favorite earphones wirelessly.
■Equipped with CSR 8675 Qualcomm Chip and two DACs (Asahi Kasei AK4375a) to improve sound quality. By optimizing the dual DAC system, it supports single-ended (3.5mm) and full-balanced (2.5mm) output.
■It can also be used as a 16-bit/48kHz USB DAC, and you can play music from your computer via USB.
■Equipped with a 350mAh battery, it can play continuously for 14 hours.
■If you use an iPhone or Android smartphone, you can download an app for free to control the main unit in more detail. You can manage not only the equalizer, but also analog volume control settings, charging status, etc.
■Weight is only 20g, making it ultra-lightweight.
■Compatible with 3.5mm and 2.5mm plugs.
■Using our unique technology, in addition to the high-quality codec aptX HD, we also convert 16-bit codecs such as SBC, aptX, and AAC to 24-bit. Android users as well as iPhone users can easily experience a high-quality wireless environment with EarStudio.
■DAC: Asahi Kasei AK4375a x 2
■Input: Bluetooth A2DP or USB DAC
■USB DAC: USB Audio Class1.0 (up to 48kHz/16bit)
■Output: 3.2mm (Unbalanced), 2.5mm (Balanced / 4pin)
■Output level: 3.2Vpp (Unbalanced), 6.4Vpp (Balanced)
■Output impedance: 1Ω (Unbalanced / Balanced)
■SNR: Unbalanced 109dB, Balanced 110dB
■Bluetooth version: 4.2
■Profiles: HFP, HSP, A2DP, AVRCP
■Supported codecs: aptX, aptX HD, AAC, SBC
■Maximum communication distance: Line of sight approx. 10m
■Battery capacity: 350mAh Lithium polymer
Continuous playback time: Approximately 14 hours
Size: 30mm x 53mm x 15mm
Weight: Approximately 20g