TEAC AI-303
This desktop audio amplifier accommodates a compact amplifier module with Bluetooth® receiver and USB audio input to playback Hi-Res sound source. This desktop audio amplifier with only 215mm width footprint accommodates a compact and high-performance amplifier module, Bluetooth® receiver supporting DAC®, Qualcomm® aptX™ HD and USB audio input to playback Hi-Res sound source such as DSD256 and PCM 384/32 from PC/Laptop, iPhone, Android phone and tablets, thanks to USB-C conncetor.
The HDMI interface ARC/eARC allows you to enjoy high quality TV sound with your favorite speakers, while a pair of LINE inputs fit your existing Hi-Fi system and the 4-pole headphone out with ground-separate circuit realizes upper class headphone listening.
Wide range of digital inputs, HDMI, USB-C, Coaxial, and Optical
Connections with the digital sources are up-to-dated. The AI-303 equips an HDMI for TV, a USB-C for PC/Laptop and Coaxial/Optical for conventional digital music players, maximizing potential of each digital source with the high performance D/A converter.
USB-C for versatile USB connection with PC, Smartphone and Tablet
The AI-303 also supports wide variety of digital devices such as smartphone/tablet and portable digital audio player that support USB Audio 2.0, via a self-powered USB-C port allowing auto device detect when the device equips a USB-C. Most Android devices and recent iPad Air/iPad Pro that equip USB-C port allow single USB-C cable connection without extra devices.
Built-in Bluetooth® receiver supporting LDAC®, and Qualcomm® aptX™ HD
The Bluetooth® receiver is employed for easy wireless connection with a smartphone, supporting high-resolution wireless codecs including LDAC®, LHDC, and Qualcomm® aptX™ HD, in addition to other standard Bluetooth® codecs such as Qualcomm® aptX™, AAC, and SBC. The LEDs on the front panel indicate which codec is engaged when connection is established.
Features at a glance
- Connecting from TV with a single HDMI cable
- Supporting DSD512 and PCM 384/32 Hi-Res audio formats
- Wide range of digital inputs, HDMI, USB-C, Coaxial, and Optical
- USB-C for versatile USB connection with PC, Smartphone and Tablet
- Built-in Bluetooth® receiver supporting LDAC, and Qualcomm® aptX™ HD
- USB-C for versatile USB connection with PC, Smartphone and Tablet
- A two pairs of audio inputs for flexibility
- High performance Ncore® power amplifier from Hypex
- 4-pole Headphone output with Ground-separate
- Coupling Capacitor Less Circuit headphone amplifier
- More natural headphone listening with Crossfeed
- MQA full decoding
- Various DAC modes with SoC
- High-quality analog volume with ladder type attenuator
- Asynchronous mode to eliminate USB transmission jitter
- “Bulk Pet” digital audio transmission
- Three-point support stress-less feet
- Bluetooth® multipoint connection for two
- Subwoofer Preout
- Full metal cabinet design
SPECIFICATIONS
| Amplifier section | |
| Rated output | 25W + 25W (LINE IN, 1kHz, 8Ω, THD 0.03%, JEITA ) 50W + 50W (LINE IN, 1kHz, 4Ω, THD 0.03%, JEITA ) |
Digital audio inputs | |
| COAXIAL | |
| Connector | RCA × 1 |
| Supported samplign frequency | |
| LPCM | 32k / 44.1k / 48k / 88.2k / 96k / 176.4k / 192kHz, 16 / 24bit |
| DSD | 2.8MHz (in 176.4kHz/24bit DoP format) |
| OPTICAL | |
| Connector | TOS-link × 1 |
Supported samplign freqeuncy | |
| LPCM | 32k / 44.1k / 48k / 88.2k / 96k / 176.4k / 192kHz, 16 / 24bit |
| DSD | 2.8MHz (in 176.4kHz/24bit DoP format) |
| USB | |
| Connector | USB Type-C × 1 (USB2.0 complied) |
Supported samplign freqeuncy | |
| LPCM | 44.1k / 48k / 88.2k / 96k / 176.4k / 192k / 352.8k / 384kHz, 16 / 24 / 32bit |
| DSD | 2.8M / 5.6M / 11.2MHz |
HDMI | |
| Connector | HDMI Type-A × 1 |
| Supported formats | ARC/eARC 192kHz, 24bit (PCM) |
| Analog audio inputs | |
LINE | |
| Connector | RCA × 2 pairs |
| Input impedance | 10kΩ |
Bluetooth® section | |
| Version | 4.2 |
| Class | Class2 (range: approx. 10m / 33ft.) |
| Supported profile | A2DP, AVRCP |
| Supported codec | LDAC, LHDC, Qualcomm® aptX™ HD audio, Qualcomm® aptX™ audio, AAC, SBC |
| A2DP contents protection | SCMS-T |
| Number of paring memory | Max. 8 dvices |
| Multi-point connection | Max. 2 dvices |
Speaker output | |
| Connectors | Screw type × 1 pair (compatible with Banana plug) |
| Compatible speaker impedance | 4Ω to 8Ω |
Headphone output | |
| Connector | 3.5mm 4-pole Stereo mini × 1 |
| Pin assignment | Tip: L+, Ring: R+, Ring: L–, Sleeve: R– |
| Rated output power | 220mW + 220mW (LINE IN, 32Ω, 1kHz, THD 1%, JEITA) |
| THD | 0.006 % (LINE IN, 32Ω, 1kHz, 50mW, JEITA) |
Power | AC 100 - 240V, 50/60Hz |
| Power consumption | 63W |
| Overall dimensions (W×H×D) | 215 × 61 × 257 mm (including protrusion) |
| Weight | 2.3kg |
| Included accessories | Power cord, Remote control (RC-1337) , AAA batteries × 2, Owner's manual, Warranty |