Bose 502B White is a low-frequency loudspeaker designed for indoor permanent installations. The 502 B loudspeaker features patented Acoustimass speaker technology to deliver low-frequency down to 45 Hz. Frequency Response (+/-3 dB): 50 Hz - 140 Hz Long-Term Power Handling: 450 W and 1800 W peak Nominal Impedance 8 Ω Dimensions 31.0" H x 14.0" W x 15.5" D (787 mm x 356 mm x 394 mm)

Bose AMU208 Black is a small-format for outdoor applications. That require excellent audio from compact loudspeaker. It provides coverage with a 90° x 60° constant-directivity high-frequency horn. And supports the lowest vocal ranges with two Bose LF8 8-inch woofers. Power Handling, peak: 1200W Frequency Response (+/-3 dB): 80 Hz to 16 kHz Nominal Impedance: 8 Ω Nominal Coverage Pattern (H x V): 90° x 60°

Bose AMU108 White is a small-format ArenaMatch Utility model. It uses outdoor applications that require excellent audio from compact loudspeaker. It provides wide, even coverage with a 90° x 60° constant-directivity high-frequency horn. And it supports the lowest vocal ranges with a Bose LF8 8-inch woofer. Power Handling, peak: 800W Frequency Response (+/-3 dB): 90 Hz to 16 kHz Nominal Impedance: 8 Ω Nominal Coverage Pattern (H x V): 90° x 60°

Bose RMU105 Black ultra-compact foreground/fill loudspeaker. It is intended for use in high-quality background/ foreground music and zone-fill applications that require excellent audio, minimal physical size and high design aesthetics. Power Handling: Peak 400 W and Peak: 600 W Frequency Response (+/-3 dB): 100 Hz - 16 kHz Nominal Coverage Pattern (H x V) 100° x 100° Dimensions(W x D x H):  12.0" x 7.3" x 6.0" (304 mm x 185 mm x 152 mm)