Great small sized bass instrument with pickup system, 23" scale length, black rubberized strings, Mahogany Top, Okume sides and back and Walnut bridge.  This can sound and play like a 6 foot tall stand-up bass at a fraction of the weight and size.. Co0mes with padded ZGold Tone bag. Also available in fretless.  Gold Tone describes it as follows:

The original, and still a best-seller. You'll find that this mighty mite has real usefulness in acoustic playing situations, but plug it in and the REAL fun begins. Available fretted or fretless, the 23 will have your acoustic amp or bass amp rumbling with big, fundamental bass tone. The sound of the M-Bass through an amp is uncannily like that of an upright string bass. You get big bass magic from an instrument the size of a "baby" guitar, shaped by the built-in piezo pickup's EQ module (with tuner!). The M-Bass's naytoh mini-dreadnaught cutaway body has an arched back and comfort-beveled top for playing comfort. Gold Tone's specially developed Aquila high-tension polymer strings are easy on the fingers and really bring out that bottom end. Padded gig bag included. Available as left-handed model.