PMS23A1 has the following specifications:

low distortion sound reproduction

SOLD IN FULL LENGTHS ONLY

reversing contactor unit

Designed for under-dash or overhead mounting

Norsap 1100, Seat Height 51-69cm Charger PMS23A1 has the following specifications:The 1100 series chair offers a modern design solution for comfort and ergonomics in a rugged environment. The 1100 series has a 100mm (3. 9") diameter shock dampening seat column. The flanged base is designed for permanent deck mounting or it can integrate with the optional Deck Rail solutions. The seat features various adjustments to allow for the best ergonomic position when seated. Standard adjustments include: seat back, front and back seat