Kiwi Ears / AD1 Pro-4.4mm

＜＜July 2026 New Product！＞＞The "AD1 Pro" is a compact DAC adapter that allows you to easily enjoy high-resolution music playback simply by connecting it to USB Type-C-enabled devices such as smartphones, tablets, and PCs. It is a high-end model featuring enhanced driving power and superior low-noise performance.

■ Designed as a portable DAC/headphone amplifier
・The AD1 Pro is a high-end model based on the AD1, featuring improved DAC performance, output power, and noise characteristics. As a portable DAC/headphone amplifier with a USB Type-C connection, it is compatible with a wide range of devices, including smartphones, tablets, PCs, and game consoles.

■ Equipped with an upgraded DAC chip
・It features an upgraded DAC chip and supports PCM playback at up to 32-bit/384kHz. By leveraging the rich data of high-resolution audio sources, it delivers a more natural expression of sound contours, subtle nuances, and the sense of atmosphere.

■ Supports 30mW + 30mW output
・It delivers an output of 30mW + 30mW into a 32Ω load, making it suitable not only for IEMs but also for headphones that require a certain level of driving power. Despite its compact dongle-style form factor, it allows you to set up a high-quality wired listening environment while on the go.

■ Low-noise, low-distortion performance
・With an SNR of over 115dB, THD+N of less than 0.003%, and a noise floor of 2μV, it achieves low-noise, low-distortion playback. It suppresses noise even during delicate volume changes or quiet passages, delivering clear, transparent sound.

■ Broad compatibility via USB-C
・Its plug-and-play design using a USB Type-C connection allows for immediate use without complex settings. It works with smartphones, tablets, PCs, and compatible game consoles, making it suitable for a wide range of scenarios, including music listening, video streaming, and gaming.

■ Supports in-line controls and microphones
・The AD1 Pro supports in-line controls on Android devices. By connecting compatible earphones or headphones, you can control playback/pause, track skipping, and call answering directly from the cable. It also supports cables with in-line microphones, enabling use for phone calls. ■ Ideal for a more serious mobile listening experience
・The AD1 Pro is a high-end USB-C dongle DAC from Kiwi Ears, designed for users who demand superior sound quality, driving power, and low-noise performance. It is perfect for users looking to unlock the full potential of their IEMs or wired headphones when using a smartphone or PC.

■ Model Name: AD1 Pro
■ Input Port: USB Type-C
■ Output Port: 4.4mm
■ PCM Support: Up to 32-bit/384kHz
■ DAC Chip: Upgraded DAC chip
■ Output: L+R 30mW + 30mW or higher (32Ω, THD+N < 1%)
■ SNR: 115dB or higher (32Ω load, A-weighted)
■ THD+N: Less than 0.003% (-6dBFS, 32Ω load)
■ Crosstalk: Less than -65dB (32Ω load)
■ Noise Floor: 2μV (32Ω load)
■ In-line Controls: Android compatible
*The specifications above are based on information as of July 2026. They are subject to change without notice for quality improvement purposes.