Product Description
Polk Audio UMS77S Boat Speakers (Marine) 7.7″ Charcoal
Polk's Ultramarine speakers are designed to produce maximum sound in marine applications. The innovative design features "air suspension" technology and high-temperature voice coils and cranks up to 200 watts. You can add an XKGlow controller (sold separately) and customize your lighting using the free app.
These 7.7-inch speakers feature durable, removable sports grilles that withstand sunlight and moisture
The Polk UMS77S speaker uses air suspension technology to deliver 200 watts of power in a sleek, waterproof and corrosion-resistant package. Ideal for water installations.
Characteristics:
Charcoal casing and grille
Air suspension design
Aluminum chassis
High temperature voice coil
XKGlow LED Light Ring (Compatible with XKGlow Controller w/App Support)
Snap On Grille Installation Option
Silver cone
Insulation with Tinsel Leads type cable
Sensitivity: 90.2 dB
Frequency response: 70 Hz – 20KHz
Nominal resistance: 4 Ohms
Maximum power: 200 Watts
Support depth: 7.69 cm
Magnet weight: 725.75 gr