ITEM NAME:NE5532 OP-AMP HIFI Amplifier Preamplifier Volume Tone EQ Control Board DIY #gib Store Home Promotion Hot Item Add to Fav.Model: NE5532. 1X HIFI Amplifier. Health & Beauty. PCB size(L W H):112x68x23mm. Toys, Hobbies. Pet Supplies. Phones & Accessories. Add to Fav.