TEAC AI-303-B USB DAC Integrated Amplifier (Black)

The TEAC AI-303-B is a compact integrated amplifier with a built-in USB DAC and Bluetooth connectivity, designed for high-quality desktop and living-room audio systems. With a slim 215 mm-wide chassis, it fits easily into modern setups while delivering precise, high-resolution sound for speakers and headphones.

Supporting advanced digital formats including DSD256 and PCM up to 384 kHz / 32-bit, the AI-303-B connects effortlessly to TVs, computers, smartphones, and tablets. USB-C, HDMI ARC/eARC, optical, coaxial, and analog line inputs allow it to function as the central hub of a modern Hi-Fi system, while the ground-separated headphone output delivers refined personal listening.

Features

• Compact integrated amplifier with built-in USB DAC and Bluetooth receiver
• 215 mm-wide chassis ideal for desktop and space-conscious systems
• HDMI ARC/eARC input for simplified TV audio integration
• USB-C audio input for direct digital playback from computers and mobile devices
• Bluetooth wireless audio streaming with support for high-quality codecs
• 4-pole headphone output with ground-separated circuit
• Remote control included for convenient operation

Specifications

Amplifier Section

• Rated output power: 25 W + 25 W @ 8 Ω (1 kHz, THD 0.03%)
• Rated output power: 50 W + 50 W @ 4 Ω (1 kHz, THD 0.03%)
• Compatible speaker impedance: 4 Ω – 8 Ω

Digital Audio Inputs

• USB: Type-C × 1 (USB 2.0)
• HDMI: Type-A × 1 (ARC / eARC, PCM up to 192 kHz / 24-bit)
• Optical: TOS-Link × 1 (PCM 32 kHz – 192 kHz, DSD DoP)
• Coaxial: RCA × 1 (PCM 32 kHz – 192 kHz, DSD DoP)

USB Audio Support

• PCM: 44.1 kHz – 384 kHz, 16 / 24 / 32-bit
• DSD: 2.8 MHz / 5.6 MHz / 11.2 MHz

Analog Audio Inputs

• Line input: RCA × 2 pairs
• Input impedance: 10 kΩ

Bluetooth

• Version: 4.2
• Supported profiles: A2DP, AVRCP
• Supported codecs: LDAC, LHDC, Qualcomm aptX HD, Qualcomm aptX, AAC, SBC
• Transmission range: Approx. 10 m
• Pairing memory: Up to 8 devices
• Multi-point connection: Up to 2 devices

Headphone Output

• Connector: 3.5 mm 4-pole stereo mini
• Rated output power: 220 mW + 220 mW @ 32 Ω
• Total harmonic distortion: 0.006% (32 Ω, 50 mW)

Audio Performance

• Frequency response: 2 Hz – 70 kHz (LINE IN, –5 dB)
• Total harmonic distortion: 0.008% (20 Hz – 20 kHz, 4 Ω, 6.25 W)
• Signal-to-noise ratio: 100 dB (LINE IN)

General

• Power supply: AC 100 – 240 V, 50 / 60 Hz
• Power consumption: 63 W
• Dimensions (W × H × D): 215 × 61 × 257 mm
• Weight: 2.3 kg

What’s in the box

• TEAC AI-303-B USB DAC integrated amplifier
• Remote control (RC-1337)
• AAA batteries (2)
• Power cord
• Owner’s manual
• Warranty documentation