AIYIMA A70 Balanced Stereo Amplifier with TPA3255 Class D Amplifier for Theater with Bookshelf XLR RCA Inputs Trigger DC48V 5A Power Adapter PFFB,

---------------------------------------------------------------------- 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ----------------------------------------------------------------------

[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] There will be a slight popping sound when you turn off the power, but this is normal. Don't worry. Chipset: TPA3255+NE5532