Topping Professional E4x4 Pre, USB audio interface with 4 inputs and outputs at 24 bits 192kHz

【Ultra-Linear Preamp & Phantom Power】 The Topping E4X4 Pre is a top-tier USB audio interface featuring four self-developed ultra-linear microphone preamp modules, each with an EIN as low as -130.5dBu. This computer recording audio interface ensures minimal background noise even at maximum volume, capturing every detail with precision. Equipped with 48V phantom power switches, it’s compatible with both condenser and dynamic microphones, making it perfect for music production, podcast equipment, and professional recording. 【Low Noise Reference Voltage Module】 This universal audio interface includes Topping's unique LNRD module, providing a stable power supply for the AD/DA chip to ensure pure audio transmission. Key specifications include Input DNR (ADC) of 115dB, Output DNR (DAC) of 115dB, ADC THD+N of