Lotoo PAW S3

Lotoo PAW S3 

LTTP Hi-Res Lossless Audio, Now in a Portable DAC/ Amp 

Introducing the new PAW S3, Lotoo’s first portable DAC/Amp featuring its proprietary LTTP  (Lotoo Teleportation Protocol) Hi-Res lossless transmission technology. 

Developed to overcome the bandwidth limitations of conventional Bluetooth audio, PAW S3 brings true Hi-Res and lossless audio transmission to wireless listening in a compact, portable format. 

Key Features 

• LTTP Hi-Res lossless wireless audio transmission 

• AKM AK4493SEQ high-performance DAC 

• Up to 550mW balanced output 

• 4.4mm balanced headphone output 

• 3.5mm single-ended headphone output 

• Ultra-low noise floor down to 0.7µV 

• Lotoo LTOS professional audio operating system 

• PMEQ + ATE sound processing 

• Stainless-steel body with Titanium PVD coating 

• Support for HarmonyOS, iOS, Android, Windows and macOS 

• 3300mAh battery 

LTTP Hi-Res Lossless Transmission 

True Hi-Fi, Now Wireless 

PAW S3 brings Lotoo’s proprietary LTTP Hi-Res lossless transmission technology to the portable DAC/Amp format. 

With transmission rates of up to 1.5Mbps, LTTP moves beyond the bandwidth limitations of  conventional Bluetooth audio and supports: 

• 96kHz / 24-bit Hi-Res audio 

• 48kHz / 24-bit lossless audio 

Paired with a Lotoo WT1 or WT2 LTTP transmitter, PAW S3 forms a complete Hi-Res lossless wireless audio system, bringing greater detail, dynamics and depth to wireless listening. 

LTTP Wireless + USB DAC 

PAW S3 is not limited to wireless playback. It also works as a high-performance USB DAC. 

Connect it to a smartphone, computer, or portable player via USB Type-C to switch to USB DAC  mode, with support for up to PCM 768kHz and Native DSD256.

Whether used wirelessly through LTTP or connected over USB, PAW S3 is designed to deliver consistently high-quality sound. 

Professional Audio Architecture 

Built for Sound Quality 

At the heart of PAW S3 is the AKM AK4493SEQ, combined with Lotoo’s long-standing experience in professional audio design. 

PAW S3 supports: 

• PCM up to 768kHz 

• Native DSD256 

Key audio specifications include: 

• THD+N: 0.0004% (1kHz, A-weighted) 

• Noise floor: as low as 0.7µV 

The low noise floor helps preserve fine detail and maintain a clean, quiet background during playback. 

Powerful Output 

Ready for a Wide Range of Headphones 

PAW S3 offers: 

• 550mW @ 32Ω from the 4.4mm balanced output 

• 250mW @ 32Ω from the 3.5mm single-ended output 

It also provides adjustable Line Out levels, giving users more flexibility across different equipment configurations. 

LTOS Professional Audio Operating System 

PAW S3 runs on LTOS, Lotoo’s proprietary professional audio operating system, and includes PMEQ parametric equalization and ATE sound tuning. 

A 2.0-inch IPS full-view color display keeps key playback information clearly visible at a glance. 

Long Battery Life and Compact Design 

PAW S3 features a built-in 3300mAh battery for extended listening.

Its stainless-steel body features a titanium PVD coating, with dimensions of just 87 × 55 × 21mm and a weight of approximately 180g, balancing a solid feel with everyday portability. 

Specifications 

Display: 2.0-inch IPS color display 

Battery: 3300mAh 

Operating System: LTOS 

Body: Stainless steel 

Dimensions: 87 × 55 × 21mm 

Weight: Approx. 180g