♥ Conversion board included. The 4580MD shown in the photo is mounted incorrectly, as the pin positions are different. Please note this. The 4580MD is a smaller version of the 4580DD. Dual operational amplifier for audio Specifically designed to improve sound quality for audio applications. Often used in commercially available audio equipment. Although for audio use, it is also ideal for industrial measurement. Low noise, low distortion, high output current, and can also be used as a general-purpose operational amplifier. Low-noise selected product (maximum 1.4μVrms). #opamp_t2 #NJM4580MD_t2 #JRC #lownoise #effector #guitar #audiopreamplifier #activefilter #a240710_t2