The low end of the audio frequency spectrum There is no real frequencies where bass is catagoriezed, but it ranges from approximately below 20 Hz up to 400 Hz or so
1 See 'Double bass'2 The lowest pitched instrument in a family of instruments such as the bass recorder, double bass, bass clarinet, tuba, etc Search Google com for Bass
Bass are edible fish that are found in rivers and the sea. There are several types of bass. They unloaded their catch of cod and bass. Bass is a piece of this fish eaten as food. a large fresh fillet of sea bass. a bass instrument or voice produces low notes. In zoology, any of numerous fish species, many valued for food or sport. Most are placed in three families (all in the order Perciformes): 400 species of sea bass and grouper; the family Moronidae, which contains about 12 species, including striped and European basses; and sunfishes, including the black and largemouth basses, prized by fishermen. Many other species are also known as bass, including the channel bass (a drum) and the calico bass (a crappie). Lowest musical voice or register. In vocal music, its range is approximately from the second E below middle C to middle C itself. A basso profundo emphasizes a lower register, a basso cantante a somewhat higher one. Outside of Russia, the solo bass voice has generally been relegated to certain standard operatic character roles. The lowest-pitched member of most instrumental families is usually called the bass (bass clarinet, double bass, etc.). In Western tonal music, the bass part is usually second in importance only to the melody, being the chief determiner of harmonic movement, a tendency that became particularly notable after the appearance of the basso continuo 1600. Bass Strait black bass double bass sea bass