This part is a kind of semiconductor called OPA2134.

Function of this product has High Performance AUDIO OPERATIONAL AMPLIFIERS TM.

Manufacturers : Burr-Brown

Image and pinout :

Some of the text within the PDF file :

® OPA 134 OPA 213 4 OPA 413 4 OPA 134 OPA 2134 OPA 413 4 OPA134 OPA2134 OPA4134 High Performance AUDIO OPERATIONAL AMPLIFIERS TM FEATURES q SUPERIOR SOUND QUALITY q ULTRA LOW DISTORTION: 0.00008% q LOW NOISE: 8nV/√Hz q TRUE FET-INPUT: IB = 5pA q HIGH SPEED: SLEW RATE: 20V/µs BANDWIDTH: 8MHz q HIGH OPEN-LOOP GAIN: 120dB (600Ω) q WIDE SUPPLY RANGE: ±2.5V to ±18V q SINGLE, DUAL, AND QUAD VERSIONS DESCRIPTION The OPA134 series are ultra-low distortion, low noise operational amplifiers fully specified for audio applications. A true FET input stage was incorporated to provide superior sound quality and speed for exceptional audio performance. This in combination with high output drive capability and excellent dc performance allows use in a wide variety of demanding app [ ... ]

OPA2134 PDF Datasheet Download