High quality portable MQA capable DAC (digital-to-analog converter) and Amp with twin output (3,5mm Jack + 4.4mm Pentaconn) and Lotoo ATE + PMEQ capabilities.
The O400 is an in-ear monitor inspired by the top-of-the-range O800. The 3 Knowles and a unique fourth driver are united by a 4-way crossover in a handmade resin housing. Featuring a detachable two-pin connector, its silver-plated OFC cabling is top-of-the-line itself. The O400 is the perfect choice for the most discerning needs.