Adopts field effect tube input mode, suitable for various applications including front and rear amplifiers, output buffers, voltage amplifiers, and headphone amplifiers. Produces warm and charming sound quality with high clarity, delicate and graceful tones, and a bold taste. Can replace or upgrade common dual op amps such as LM833, LM4562, 4558, 5532, and others to enhance audio performance. Equipped with gold-plated adapter board pins for improved connectivity and durability. Precise installation required; ensure alignment of the missing mark on the op amp with the socket to avoid damage. The OPA627 Dual Op Amp Module is designed for high-performance audio applications, delivering exceptional sound quality and versatility. Its field effect tube input mode allows for a wide range of uses, making it an ideal choice for audiophiles looking to upgrade their audio systems. The exquisite adapter board and gold-plated pins ensure reliable connections, while careful installation is crucial to prevent damage. Color: As Shown Material: PC Package Contents: 2 x Dual Op Amp Module