Product Description

frequency response 75-20,000 Hz (-3dB) * sensitivity 89 dB * 8-ohm impedance * handles up to 80 watts * gold-plated 5-way binding posts * all hardware is rust-proof brass or stainless steel * speaker grille and mounting brackets are rust-proof aluminum * mounting brackets included * 9-1/2"H x 6-1/4"W x 7-3/4"D (with bracket) * warranty: 2 years

Product Details

• Amazon Sales Rank: #3044 in Consumer Electronics
• Size: 4.5 Inch
• Color: Black
• Brand: Polk Audio
• Model: AM0745-A
• Dimensions: 12.00 pounds

Features

• Pair of all weather speakers with mounting brackets
• 4.5-inch long-throw polymer cone driver with butyl rubber suspension
• Built-in bracket allows multiple mounting options and full 90-degree rotation
• Handles up to 80 watts per channel
• Gold plated 5-way binding post speaker-level inputs

Amazon.com Product Description
Want to take great Polk Audio speaker sound outdoors? Check out the indoor/outdoor 80-watt Atrium 45s. The stainless steel and brass hardware is completely rustproof, as are the aluminum brackets that allow multiple mounting options and full 90-degree rotation: aim them to deliver the best possible sound in a variety of locations. The rustproof aluminum grilles have 55 percent open area for superior sound quality. Most importantly, the Atrium 45s rugged, weatherproof, design meets or exceeds several military specifications for water, wind, salt, and corrosion.

Inside the completely sealed enclosure is a 4.5-inch Dynamic Balance mineral-filled polymer driver with butyl rubber suspension for pumping out amazing bass, while its .75-inch soft dome tweeter with neodymium magnet broadly distributes high frequencies to cover a large area with high fidelity sound. Polk's Dynamic Balance technology produces flat frequency response, sharp detail, transparency and an ability to play program material with wide dynamic range at life-like volume levels without a hint of strain. The sound is always clean, clear, and effortless. The sculpted front baffle and rounded enclosure minimizes diffraction (sound reflecting off of hard edges) for more open and lifelike imaging.

Connect them to an amplifier or receiver using the set's gold-plated five-way speaker-level binding posts. The Atrium 45s are also voice-matched to Polk's RTi speakers, and therefore make great surrounds in a complete Polk home theater system with the ability to handle up to 80 watts per channel.

What's in the Box
Pair, Atrium 45 speakers (black), mounting brackets, manual, 2-year parts and labor warranty.

Customer Reviews

Great little speakers
These are great little speakers. They appear very well made and were easy to install. Sound quality is excellent although as noted by some other reviewers they might be a little bright for certain tastes. I did not want thumping bass outside, just good clear vocals. These speakers certainly deliver.

Speaker life
these speakers have a great sound, but my experience is they don't last in the weather, I had to replace both speakers over a period of 2 years

another great speaker via Polk
Own several Polk speakers and love them all.

Mounting bracket is sturdy and well designed to hold speaker in any position. Good job Polk!