SX52B discrete op amp module amplifier balanced tuning Replaces NE5532 preamp opaFeatures:Discrete components use cross-conductor current mode technology to upgrade the preamp, DAC decoder, amp, amp, and electronic crossover. Sound quality features: sound field and its loose, transparent background. The playing instrument has a rounded texture and is very user-friendly. The high frequency is not hard and the medium frequency is full. Low frequency flexibility is very appealing! The entire frequency band is very evenly distributed. The tone is biased towards the amplifier, vinyl record, and the simulation is full of flavor. Technical characteristics: Ultra-low distortion: 0.0008% High speed: Conversion rate - 120V/us bandwidth - 8MHz Leaving the ring benefits: 120dB (600ohm) BJT-Input: l. = 30pA Power supply range: ±12V~±18V (standard soil 15V) Application areas: Various types of audio preamps, headphone amplifiers, combined power amplifiers, DAC filter circuits, electronic crossovers, active filters, etc. Package: 1pcs