aw99HPC AIR WEDGE - AW99; HPC AIR WEDGE - AW99. Skip to the end of the images gallery. Skip to the beginning of the images gallery. This product is out of stock... SKU. AW99. Qty-+ Add toPictured here we have the coolest of the cool- a very gently used Mahaffay AW99 Guitar amp head in black. Tube amp. 33W. Comes with power cord. In excellent condition and very clean!