Two-tone

Two-tone, two tone, or 2 tone, etc., may refer to:

Audio and sound

 * Two-tone analysis, in nonlinear system measurement
 * Two-tone attention signal
 * Two-tone chime, such as the "ding dong" sound of a doorbell
 * Two-tone sequential paging, selective calling method in analog 2-way radio transmission
 * Two-tone siren, a European type of siren

Language

 * Two-tone language
 * Diphthong (Greek for two tones), in linguistics, a gliding vowel

Music

 * Two-tone (music genre), music genre
 * 2 Tone Records, record label
 * Two Tone Club, French ska band
 * "Two-Tone" Tommy, bass musician

Other

 * Two-tone color, such as RG color space
 * Two-tone paint
 * Two-tone pattern
 * Two-toned lobsterette
 * Two-Tone, dalmatian dog in the 2003 animated film 101 Dalmatians II: Patch's London Adventure and 1996 remake
 * Two-tone testing, a test in radio systems for intermodulation distortion