In S.M.S.L own words
"Upgrane from AO300 with a preferential price"
Differences listed in one of pictures.
AO300 PRO site:
https://www.smsl-audio.com/portal/product/detail/id/931.html
Price $269.00 USD
AO300 PRO
DAC&Power Amplifier
Germany Infineon's new digital high-power amplifier chip has higher quality, highefficiency and low energy consumption;
The electronic volume control chip NJW1194 of Japan JRC company is used, which hasaccurate volume control and ultra-low distortion.
Support MQA decoding;
The brand-new third generation XMOS XU-316, PCM supports to 32bit/768kHz, andDSD supports to DSD256;
The new high-end DAC chip CS43131 of Cirrus Logic in the United States;The latest Bluetooth supports LDAC,APTX/HD, SBC and AAC!
Aluminum alloy CNC processing panel technology, using anodic oxidation technology,fine workmanship, first-class touch;
The humanized operating system is easy to understand and equipped with full-functionremote control function;
Adopt fever-level audio components to improve subjective hearing;High quality gold-plated input and output terminals;
Perfect protection circuits such as overheating and overcurrent;
Built-in high-quality high-power audio dedicated switching power supply.
"Upgrane from AO300 with a preferential price"
Differences listed in one of pictures.
AO300 PRO site:
https://www.smsl-audio.com/portal/product/detail/id/931.html
Price $269.00 USD
AO300 PRO
DAC&Power Amplifier
Germany Infineon's new digital high-power amplifier chip has higher quality, highefficiency and low energy consumption;
The electronic volume control chip NJW1194 of Japan JRC company is used, which hasaccurate volume control and ultra-low distortion.
Support MQA decoding;
The brand-new third generation XMOS XU-316, PCM supports to 32bit/768kHz, andDSD supports to DSD256;
The new high-end DAC chip CS43131 of Cirrus Logic in the United States;The latest Bluetooth supports LDAC,APTX/HD, SBC and AAC!
Aluminum alloy CNC processing panel technology, using anodic oxidation technology,fine workmanship, first-class touch;
The humanized operating system is easy to understand and equipped with full-functionremote control function;
Adopt fever-level audio components to improve subjective hearing;High quality gold-plated input and output terminals;
Perfect protection circuits such as overheating and overcurrent;
Built-in high-quality high-power audio dedicated switching power supply.
