SPECIFICATIONS Brand Name: Aiyima Certification: CE,KC Channels: 2 Hign-concerned Chemical: None Maximum Power Per Channel: Above 200W Model Number: A80 Origin: Mainland China Package: Yes Features: All-in-One DAC Amplifier:Using ES9038Q2M high-performance decoder chip, combined with TPA3255 high-power ultra-low distortion amplifier chipset, supports DSD512 and PCM ultra-high-resolution audio, providing users with rich and delicate sound details Hi-Res Audio Amplifier: AIYIMA A80 Bluetooth Power Amplifier adopts the high performance TPA3255 Class D amplifier chip, with Rubycon capacitors, German WIMA capacitors and professional audiophile grade components. It not only ensures high power output, but also realizes a total harmonic distortion (THD) as low as 0.006% and a signal-to-nanometer ratio (SINAD) of 109dB. Providing you with Hifi audio sound Multiple Inputs:Provides a variety of input interfaces, including Bluetooth, USB, optical, coaxial , TRS, covering almost all modern audio source requirements, the TV, Bluetooth devices and high-quality sound system seamlessly connected to match the needs of different scenes and Audio devices Versatile Flexible:Supports 12V Trigger input, which allows the amplifier to be compatible with various control systems or automation equipment, and can be linked with other home audio equipment, simplifying the operation process and improving the flexibility of the system Wide Range of Uses:Output support 3.5MM AUX and RCA, suitable for connecting different types of amplifiers or audio equipment, 3.5mm output connector can be flexibly set up 2.0/2.1-channel home audio receiver system A80 Standby function: Standby will be displayed after 5 minutes without signal input, which is energy-saving and environmentally friendly, and extends the service life of the power amplifier. The combination of fashion and retro, with electronic UV display screen design,can provide 3 different displays to choose from, real-time display of input status and volume and other information, especially in playing games, party, etc., to enjoy the classic songs and other scenarios, to show a very good dynamic image effect NOTE:Trigger input not compatible with wiim devices U disk: When downloading the U disk driver, turn off the computer's anti-virus software in advance;(Startingfrom May 15, 2025, the product will no longer provide Udisk.If you need to download the driver, you can click below) Windows users may need to install drivers for certain functions, like playing DSD files, The driver can be downloaded at this link, https://1ev1k6aawfjejiiz-1852571723.shopifypreview.com/pages?preview_key=47e34780ed7581fcc67592402022a48e Product Specification: Chipset: TPA3255D2+QCC3040+NJW1194+SA9137L+ESS9038Q2M+OPA1656+NE5532 Replaceable OP amp chips: RT3609SM, OPA2604, OPA2134, LM4562, JRC5532, OP275GSZ, OPA1612, etc. PC-USB sample rate: PCM: 384kHz/32bit DSD256 PC-USB support system: Windows10/11/MaxOS/MAC/Linux Bluetooth/optical fiber/coaxial sample rate: 24bit44.1khz/24bit192khz/24bit192khz Bluetooth chip: QCC3040 Bluetooth 5.1 support: AAC, SBC, aptX, aptX-LL, APTX-HD Distortion: 0.006% TRS/RCA SNR: ?109dB High and low tone:10db Frequency response: 20Hz-20kHz (0.5dB) RCA input sensitivity: 2Vrms TRS input sensitivity: 3.6Vrms Speaker impedance: 4-8? Maximum output power: 300W*2 (4?) Input mode: RCA+TRS+PC-usb+OPT+COA+BT Supported equipment: decoder, pre-amplifiter, computer, CD, mobile phone, MP3, etc. AUX OUT output sensitivity: 2V Trigger voltage: 12V Output mode: 2.0 passive speaker/active subwoofer Working power supply: 24-48V Product size: 155*123*41mm Packing size: 310*240*70mm Product weight: 850g Product with Package weight:1150g(without power supply) Package Include: A80 Amplifier x1 PC-USB audio cable x1 Optical cable x1 User Manual x1 Remote controlx1