TOA's Type H Ultra Slim Line Array Speakers offers clear sound, excellent directionality of focus on the listening area, and even distribution of sound over a wide range. These speakers are well-suited for venues with highly reflective interior surfaces such as conference centers, houses of worship and railway stations. TOA's Type H Line Arrays consists of four models in long and short throws with straight or curved variations: the shorter designs are the SR-H2L (straight), SR-H2S (curved); the longer designs are the SR-H3L (straight), SR-H3S (curve). The short models contain 9 vertically connected speaker units and the long models come with 16 speaker units. Both lengths provide high quality sound without the use of an equalizer.