SONY SRS-T57 Personal Travel Speakers

SONY SRS-T57 -- Add these Travel Speakers to your Personal CD or cassette player and hear great Stereo Sound penetrate your room. Compact, lightweight, foldable design makes for easy toting on trips Designed with separation between speaker cabinets for optimal stereo sound Mega Bass powers a full low end at any volume level Neodymium magnets produce high energy, accurate speaker Output 2-way power allows use with 4 Optional "AA" Batteries or by plugging in with optional AC-E60HG AC Adapter Also works passively without batteries or external power Driver units: 1-1/3 inch diameter cones 8 Ohms impedance Frequency response: 100 Hz to 20, 000Hz Stereo mini-jack Input Convenient, pocket-size Dimensions (Open): 3-3/8"H x 8-7/8"W x 2-1/4"D