LED Peak Reading Level meters with peak hold for easy adjustment of optimum recording level. It will be packed it well. Aiwa f660 3 head cassette tape player dolby hx pro b c auto demag serial # card sharp, clear, detailed photos of the actual items you’ll receive. Dolby C-type provides 20 dB of noise reduction above about 1,000 Hz, fully doubling the amount given by B-type.