AIYIMA A70 Balanced Stereo Amplifier with TPA3255 2 Channel Class D Amplifier for Theater with Bookshelf XLR RCA Input Trigger DC48V 5A Power Adapter

Welcome to The Cool Life! I am a seller in Japan. I ship authentic products from Japan. Please enjoy shopping with peace of mind! You will find great products! [Equipped with PFFB] AIYIMA A70 is the first stereo home audio Class D amplifier on the market based on TI's TPA3255 chip with Post Filter Feedback Loop (PFFB). 【Equipped with 12V trigger input and RCA audio input】The trigger input allows you to easily launch the audio chain from the source with one button. This gain switch can be used to boost the signal coming into the RCA inputs. [Balanced Input] AIYIMA A70 stereo amplifier adopts XLR audio signal input. 【With RCA output and sub-channel output】The sub-channel output with variable filter output is controlled by the volume setting and adds an adjustable cutoff frequency (20-150hz/20-600hz) to the low-pass filter output, allowing you to easily build a 2.1 channel audio system that matches your desktop speakers. [Professional Audio Components] Professional audio components with simple appearance, excellent performance, measured SINAD up to 96dB, S/N ratio up to 116dB, can provide excellent audio quality. [Replaceable Operational Amplifier Chip] Explore subtle changes in sound quality and increase the fun of customization by replacing operational amplifier chips such as Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4558, LM4562, LME49720HA. [A70 Note] When you turn off the power, there will be a slight popping sound, but this is normal. Don't worry. Chipset: TPA3255+NE5532