TEAC AI-303-B Black Desktop Audio Amplifier Bluetooth USB Input Hi-Res New

Description

Brand New Unopened.
■ Overview

Desktop audio amplifier with Bluetooth® and USB input in a compact amplifier that also supports HD sound source (high resolution) playback. With a width of only 215 mm, it is also ideal for high-quality playback of TVs and notebook PCs.

■ Features

〇 Connect to a TV with a single HDMI cable
〇 Supports 11.2MHz DSD native playback and 384kHz/32bit high resolution (HD) audio sources
〇 Equipped with various digital inputs such as HDMI, USB-C, OPTICAL, COAXIAL
〇 Bluetooth® receiver function that supports high-quality sound transfer such as LDAC®, Qualcomm® aptX™ HD
〇 By adopting the USB-C terminal as the input of the USB DAC, it is easy to connect not only to PCs but also to smartphones and tablets.
〇 Equipped with 2 RCA stereo line input terminals to support external sources
〇 Uses Hypex's Ncore® amplifier module that reproduces high resolution and rich musicality
〇 A 4-pole jack is used for headphone output, and a high-output headphone amplifier with separate ground connection is installed.
〇 Headphone output by Coupling Capacitor Less Circuit that eliminates sound coloring caused by capacitors
〇 Cross-feed function for more natural playback when listening to headphones
〇 Equipped with MQA full decoder. Can decode MQA CDs played on external CD players
〇 Various DAC modes with dedicated SoC
〇 Equipped with a high-precision, high-quality analog volume with a resistor ladder type attenuator
〇 Eliminate USB transmission jitter by supporting asynchronous mode
〇 Compatible with USB transmission technology "Bulk Pet" that allows you to enjoy changes in sound quality with 4 types of transfer modes
〇 3-point support and stressless foot
〇 It is possible to switch between two devices using Bluetooth® multipoint connection * Simultaneous playback is not possible.
〇 Equipped with subwoofer output
〇 Full metal housing that achieves both damping and luxury

■ Function list
・Compact integrated amplifier with 215mm width and compatible with digital input
・ Equipped with an HDMI terminal convenient for linking with a TV (ARC/eARC and HDMI CEC compatible)
・Supports 11.2MHz DSD native playback and 384kHz/32bit high-resolution (HD) audio sources
・ Equipped with various digital inputs such as HDMI, USB-C, OPTICAL, COAXIAL
・ Equipped with Bluetooth® receiver that supports high-quality sound transfer such as LDAC, Qualcomm® aptX™ HD
・By using a USB-C terminal as the input for the USB DAC, it is easy to connect not only to PCs but also to smartphones and tablets.
・ Equipped with 2 RCA stereo line input terminals to support external sources
- Uses Hypex's Ncore® amplifier module that reproduces high resolution and rich musicality
・ A 4-pole jack is used for headphone output, and a high-output headphone amplifier with a separate ground connection is installed.
・Headphone output with Coupling Capacitor Less Circuit that eliminates sound coloring caused by capacitors
- Crossfeed function for more natural playback when listening to headphones
・ Equipped with MQA full decoder. Can decode MQA CDs played on external CD players
・ Equipped with a high-precision, high-quality analog volume with a resistor ladder type attenuator
・ Eliminate USB transmission jitter by supporting asynchronous mode
・ Compatible with USB transmission technology "Bulk Pet" that allows you to enjoy changes in sound quality with 4 types of transfer modes
・ Bluetooth® audio codec confirmation function during reception
・ Adopts 3-point support and stressless foot
・Switch between two devices via Bluetooth® multipoint connection
・ Equipped with subwoofer output
・ Full metal housing that achieves both damping performance and luxury

■ Specifications

[Amplifier section]
〇 Rated output
・ 25W + 25W (LINE IN, 1kHz, 8Ω, THD 0.03%, JEITA)
・ 50W + 50W (LINE IN, 1kHz, 4Ω, THD 0.03%, JEITA)

[Digital audio input]
〇 Coaxial digital
・ Connector RCA pin terminal × 1
・ Correspondence sampling frequency
Linear PCM 32k/44.1k/48k/88.2k/96k/176.4k/192kHz, 16/24bit
DSD 2.8MHz (supported by 176.4kHz/24bit DoP transmission)
〇 Optical digital
・ Connector square optical digital terminal × 1
・ Correspondence sampling frequency
Linear PCM 32k/44.1k/48k/88.2k/96k/176.4k/192kHz, 16/24bit
DSD 2.8MHz (supported by 176.4kHz/24bit DoP transmission)
〇 USB
・ Connector USB C terminal x 1 (USB 2.0 compliant)
・ Correspondence sampling frequency
Linear PCM 44.1k/48k/88.2k/96k/176.4k/192k/352.8k/384kHz, 16/24/32bit
DSD 2.8M/5.6M/11.2MHz
〇HDMI
・ Connector HDMI type A terminal × 1
・ Correspondence format ARC/eARC 192kHz, 24bit (PCM)

[analog audio input]
〇LINE
・ Connector RCA pin terminal × 2 systems
・ Input impedance 10kΩ

[Bluetooth® part]
〇 Version 4.2
〇 Class Class2 (line-of-sight communication distance: about 10m)
〇 Correspondence profile A2DP, AVRCP
〇 Supported codecs LDAC, LHDC, Qualcomm® aptX™ HD audio, Qualcomm® aptX™ audio, AAC, SBC
〇 A2DP content protection SCMS-T
〇 Number of pairing memories Up to 8 devices
〇 Multipoint connection up to 2 devices

[Headphone output]
〇 Connector 3.5mm 4-pole stereo mini × 1
〇 Pin layout Tip: L+, Ring: R+, Ring: L–, Sleeve: R–
〇 Rated output 220mW + 220mW (LINE IN, 32Ω, 1kHz, THD 1%, JEITA)
〇 Total harmonic distortion 0.006% (LINE IN, 32Ω, 1kHz, 50mW, JEITA)

[Power supply] AC 100V, 50/60Hz
[power consumption] 63W
[External dimensions (W x H x D)] 215 x 61 x 257 mm (including protrusions)
[Mass] 2.3kg
[Accessories] Power cord, remote control (RC-1337), AAA batteries for remote control x 2, warranty card, instruction manual

*Compliant with RoHS.
*Specifications and appearance are subject to change without notice for improvement.


audio performance
[Frequency response] 2-70kHz (LINE IN, –5dB, JEITA)
[Total harmonic distortion factor]
・ 0.008% (LINE IN, 20Hz-20kHz, 4Ω, 6.25W, JEITA)
・ 0.004% (LINE IN, 1kHz, 4Ω, 6.25W, JEITA)
[S/N ratio] 100dB (LINE IN, JEITA)