Sound anywhere Flexible, durable and great-sounding. The easy-install bracket allows the AM-1 to be mounted vertically or horizontally, for total flexibility of installation. Better bass, sealed tight AM-1 needs a sealed enclosure to shrug off the rain and splashes, but that's not great for solid, powerful bass. So Bowers & Wilkins engineers designed this clever auxiliary bass radiator to give extra low-end punch from a compact enclosure. Sound where you want it We wanted to keep the AM-1 small, yet tough and flexible, so the combination of a slender wall-bracket, a clever one-plug mounting system and 220 degree rotation means we can deliver your music wherever you want it – indoors or out. Technical Specifications Technical features Nautilus™ tube loaded aluminum dome tweeter Glassfiber cone bass/midrange Auxiliary Bass Radiator (ABR) Description 2-way system with Auxiliary Bass Radiator (ABR) Drive units 1x ø25mm (1in) aluminum dome high-frequency 1x ø130mm (5in) glassfiber cone bass/midrange Frequency range -6dB at 46Hz and 50kHz (wall mounted) Frequency response 51Hz - 22kHz on reference axis (wall mounted) Sensitivity 86dB (2.83V, 1m) Total harmonic distortion <1% 200Hz - 20kHz (86dB, 1m) Nominal Impedance 8Ω (5.2 Ω min) Recommended amplifier power 20W - 100W into 8Ω on unclipped program Dimensions (includes wall bracket) Height: 310mm (12 1/4in) Width: 180mm (7in) Depth: 210mm (8 1/4in) Net weight 4kg (8.8lb) Finishes Matte white Matte black