Coverage
Aim and listening geometry determine whether this enclosure format belongs in the room.
ASCENDO · PRO · PASSIVE
THE15 Pro Passive On-wall
Large-format 15-inch PRO point source for cinema-scale output and long listening distances.
VERIFIED OFFICIAL DATA
Speaker type15-inch time-coherent point-source coaxial
Maximum SPL125 dB continuous / 135 dB peak (2π, calculated)
Frequency range70 Hz–21 kHz (-3 dB, calculated)
Sensitivity96 dB / 1 W / 1 m (2π)
PRODUCT GALLERY
See the product from more than one perspective.
Official manufacturer imagery showing the enclosure, installation form or design detail.
WHY IT EXISTS
Choose the exact format around the room, coverage and installation method.
Large-format 15-inch PRO point source for cinema-scale output and long listening distances.
This guide keeps the product's published figures tied to its exact variant so that on-wall, wedge, passive and externally active versions are not treated as interchangeable.
SYSTEM ROLE
Resolve the room before the channel count.
Headroom
Listening distance, target level and crossover strategy determine the required output margin.
Integration
Mounting, service access, amplification and acoustic treatment must be planned together.
OFFICIAL PUBLISHED SPECIFICATION
Current manufacturer data.
Speaker type15-inch time-coherent point-source coaxial
Maximum SPL125 dB continuous / 135 dB peak (2π, calculated)
Frequency range70 Hz–21 kHz (-3 dB, calculated)
Sensitivity96 dB / 1 W / 1 m (2π)
Impedance8 Ω
Power handling900 W
Dimensions470 × 870 × 240 mm, without grille
Weight35.5 kg
Verified against the official manufacturer product page on 13 September 2026. Confirm current revision and installation documentation before final project specification.
MANUFACTURER REFERENCE
Primary product source.
Official data and product imagery are linked to the exact model variant shown on this page.
Official manufacturer information reviewed for this page.PROJECT-SPECIFIC ADVICE
Specify THE15 Pro Passive On-wall in the context of the room.
Send the room dimensions, seating plan, screen width, target layout and intended listening level.