High efficiency speaker from Honeywell (Amplifier for evacuation and voice alarm systems) Honeywell X-DA1500 High Efficiency Power Amplifier Brand: Honeywell. Model: X-DA1500. Description: High Efficiency Power Amplifier. Part Number (P/N): 1013705002. Net Weight: 11.3 kg. Gross Weight: 14.4 kg. Quantity: 1 piece (1 pcs). Dimensions: 130 × 436 × 552 mm. Color: Black. Quantity 2