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Polk Audio RM87/PSW108 System

7.1-channel speaker system with powered subwoofer

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  • Polk Audio RM87/PSW108 System

    System package

  • Polk Audio RM87/PSW108 System

    Back shot of satellite, center, and surround speakers

  • Polk Audio RM87/PSW108 System

    Closeup detail of subwoofer connections and controls

  • Polk Audio RM87/PSW108 System

    PSW108 powered subwoofer (grille off)

  • Polk Audio RM87/PSW108 System

    RM87 center channel speaker (pictured without grille)

  • Polk Audio RM87/PSW108 System

    RM87 center channel speaker (with grille attached)

  • Polk Audio RM87/PSW108 System

    RM87 front/satellite speakers

  • Polk Audio RM87/PSW108 System

    RM87 surround speaker (grille off)

  • Polk Audio RM87/PSW108 System

    RM87 surround speakers

  • Polk Audio RM87/PSW108 System

    Satellite, center, and surround speakers (grilles off)

  • Polk Audio RM87/PSW108 System

    Subwoofer back panel

Item #: 700RM87B
 
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Our take on the Polk Audio RM87/PSW108 System

by Dave Bar
Polk Audio

Why choose a pre-matched speaker system?

Looking for speakers that'll deliver thrilling, edge-of-your-seat surround sound? Choosing a pre-matched speaker system is one way to ensure seamless home theater performance. These systems are made up of speakers that share the same tonal characteristics — that means the sound will stay consistent as it moves from speaker to speaker around your room. Most pre-matched systems come with a subwoofer — a must-have for high-impact bass.

Elevate your home theater experience

A big picture is key for great home theater, but our pulse really quickens when the sound kicks in. For that to happen, we need high-definition speakers that match the image quality on our HDTVs. Polk knows. They're experts on the subject. Their RM87/PSW108 surround sound speaker system teams two customer favorites to deliver maximum sonic realism for your home theater, with minimal impact to your wallet.

Engaging surround sound from compact speakers

First, the speakers: the RM87's reputation for big, clear sound from space-friendly satellites is a hallmark of Polk's RM series design. The front speakers feature two woofers set at an angle to one another, which helps them create a large, spacious soundfield with excellent coverage to the sides. The center channel speaker anchors movie dialogue to your TV screen, and includes an adjustable cradle to angle the sound more precisely to your listening position. Four matching satellite speakers surround you with sound, for a more exciting and realistic experience with your favorite movies and video games. Every sleek satellite comes ready for tabletop, stand- or wall-mounting.

Now add some low-end punch

Nothing adds to the thrill of home theater quite like bass, and Polk's PSW108 powered subwoofer delivers. It combines a 10” woofer and 50-watt amp to produce solid, satisfying low frequencies. The cabinet is constructed from non-resonant MDF, and is reinforced with internal bracing for superior bass clarity. We like the way this sturdy little sub rounds out the lower end of music and movie soundtracks — and we love its thunderous oomph with on-screen explosions. Simply connect the PSW108 subwoofer to the RM87 speakers to tap into the full 7.1-channel home theater experience.

One more thing to love

When Polk and Crutchfield assembled this system, we built in savings, too — it's $180 less than if you purchased the RM87 system and the PSW108 sub separately.

See more info on this item

Highlights:

    Front speakers:
    • frequency response 130-20,000 Hz (-3dB)
    • sensitivity 89 dB
    • each handles up to 125 watts
    • 3/4" dome tweeter
    • dual 2-1/2" woofers
    • acoustic suspension (sealed) enclosure
    • wall-mount brackets and tabletop stands included
    • 4-3/8"W x 7-1/2"H x 4-5/16"D
    Center channel speaker:
    • frequency response 130-20,000 Hz (-3dB)
    • sensitivity 89 dB
    • handles up to 125 watts
    • 3/4" dome tweeter
    • dual 2-1/2" woofers
    • acoustic suspension (sealed) enclosure
    • center speaker cradle included
    • 9-7/16"W x 3-7/8"H x 3-13/16"D
    Satellite/surround speakers:
    • frequency response 140-20,000 Hz (-3dB)
    • sensitivity 89 dB
    • each handles up to 100 watts
    • 1/2" dome tweeter
    • 2-1/2" woofer
    • acoustic suspension (sealed) enclosure
    • include wall-mount brackets
    • 3-7/8"W x 6-1/8"H x 3-13/16"D
    Powered subwoofer:
    • 10" front-firing driver
    • bass-reflex (ported) enclosure
    • built-in 50-watt (RMS) amplifier
    • variable low-pass crossover: 100-160 Hz
    • frequency response: 40-160 Hz (-3dB)
    • selectable auto signal sensing on/off
    • phase switch for more powerful and precise bass output
    • speaker-level and RCA line-level inputs; speaker-level output
    • black oak vinyl finish
    • 14"W x 14-7/16"H x 16-1/8"D
    System specs:
    • includes 2 front speakers, 4 satellites, 1 center channel speaker, and 1 subwoofer
    • system frequency response: 40-20,000 Hz (-3dB)
    • impedance: 8 ohms
    • black finish
    • warranty: 5 years speakers, 3 years subwoofer amplifier
    • Our 60-day money-back guarantee

    Hands-on research from the Crutchfield Labs (what are the Labs?)

    Features and Specs
    General
    Enclosure
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    Sealed/Ported
    Video Shielded
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    Yes
    Pieces in System
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    7
    Color
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    Black
    Tweeter
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    Dome
    Midrange size (inches)
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    ---
    Woofer size (inches)
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    2-1/2
    Woofer Composition
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    Composite
    Woofer Surround
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    Foam
    Impedance (Ohms)
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    8
    Connector Type
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    Spring clips
    Mounting Bracket Included
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    Yes
    Recommended Stand Height (inches)
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    32-36
    Parts Warranty
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    5 Years
    Labor Warranty
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    5 Years
    Specifications
    RMS Power Range (watts)
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    20-125
    Subwoofer RMS Power (watts)
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    50
    Dimensions
    Main Speakers (inches)
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    7-1/2H x 4-3/8W x 4-5/16D
    Center Speaker (inches)
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    3-7/8H x 9-7/16W x 3-13/16D
    Surround Speakers (inches)
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    6-1/8H x 3-7/8W x 3-13/16D
    Subwoofer (inches)
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    14-7/16H x 14W x 16-1/8D
    Product Research
    What's in the box?

    • RM87 Speaker Package:
    • 2 Black RM8 satellite speakers
    • Black RM8 center channel speaker
    • 4 Black RM7 satellite speakers
    • 7 Plastic mounting brackets
    • 7 Mounting bolts
    • 2 Plastic satellite stands
    • 1 Plastic center-channel cradle
    • Instruction booklet
    • Template for wall mounting satellite speakers
    • Template for wall mounting center channel speaker
    • Online product registration sheet
    • Polk Audio brochure
    • PSW108:
    • Powered subwoofer
    • Grille (installed)
    • Owner's Manual
    • Online registration card

    Our Product Research Team

    At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

    Polk RM87 Satellite Speaker Package
    Polk PSW108 Powered Sub

    Polk RM87 Satellite Speaker Package

    Seven Satellite Speakers: The Polk Audio RM87 home theater speaker package adds surround-back speakers to Polk Audio's original RM85 home theater speaker package. This 7-channel speaker package includes two identical wide dispersion array satellites (RM8), four direct radiating satellite speakers (RM7), and a matching center channel speaker (RM8C).

    Dynamic Balance: Dynamic Balance is a proprietary Polk Audio technology using laser imaging to determine what combination of speaker materials create the least amount of resonance. Eliminating resonance in speakers results in a wide, smooth response and low distortion.

    Center Channel Speaker (RM8C x 1): The RM87 home theater speaker system features one satellite center-channel speaker. The RM87's center channel speaker consists of two 2-1/2" dynamic balance composite cone drivers and a 3/4" silk/polymer composite dome tweeter for full-bodied sound.

    Wide Dispersion Array Front Satellites (RM8 x 2): The RM87 home theater speaker system features two front satellite speakers. The RM87's wide dispersion array satellite speakers create a more enveloping, less localizable surround effect because the speakers drivers are mounted on opposing baffles for a broader and larger front-stage sound field and a more immersive and atmospheric surround field. The speaker features two 2-1/2" dynamic balance composite drivers mounted on different sides of the speaker's enclosure and one 3/4" silk/polymer composite dome tweeter for rich, real life imaging.

    Direct Radiating Rear Satellites (RM7 x 4): The RM87 home theater speaker system features four rear satellite speakers. The RM87's direct radiating satellite speakers consist of one 2-1/2 dynamic balance composite cone drivers and a 1/2" dynamic balance composite semi-dome tweeter for distortion free and smooth sound.

    Enclosure: The RM87 satellite speakers and center channel feature an acoustic suspension, non-resonant composite enclosure with a high-gloss black finish for great looks and natural sound. The three-sided cabinet design minimizes the visual impact on walls and shelves while the integrated baffle and anti-diffraction grille design allows maximum sound dispersion with minimum diffraction for superior imaging and room-filling sound.

    Speaker Terminals: The spring clip terminals located on the rear of the direct radiating satellite speakers and center channel and on the bottom of the array satellite speakers will accept pin connectors and bare wire.

    Video Shielded: The RM87 satellite speakers and center channel are magnetically (or video) shielded for safe placement near your TV or computer monitor without causing picture interference.

    Mounting Options: The Polk Audio RM87 home theater speaker system offers various mounting options for each speaker.

    • Mounting the Front Speakers: The RM87 wide dispersion array satellite speakers feature a removable base which allows you to place the speakers on a shelf or table top. The base adds approximately 0.4375" to the height of the speaker. The array satellite speakers can also be wall mounted using the supplied wall mount bracket which lets you rotate the speaker horizontally.
    • Mounting Center-Channel: The RM87 center channel can be placed on a shelf or table top with the supplied mounting stand and can be angled up or down. The center channel speaker can also be wall mounted using the supplied wall mount bracket. The center channel's fixed wall mount bracket does not angle or swivel.
    • Mounting the Rear Speakers: The RM87 direct radiating satellite speakers can be placed on a shelf or table top without a stand due to their flat base. The satellite speakers can also be wall mounted using the supplied wall mount brackets which allow the speakers to swivel horizontally.

    Note: The RM87's front and rear satellite speakers are compatible with Polk's SA-3 floor speaker-stands (107SA3B, sold separately).

    Polk PSW108 Powered Sub

    10" Klippel Optimized Woofer: The Polk Audio PSW108 uses a front-firing 10" composite polymer cone driver (with foam surround) for deep, accurate response with low distortion. By using a state-of-the-art Klippel Distortion Analyzer, Polk is able to optimize the woofer's motor structure, voice coil alignment and suspension for the best possible performance even at extreme listening levels. The PSW108 utilizes a powerful motor structure for a higher BL responses (the measure of the motive force applied to the cone) that results in louder, deeper and punchier bass. The woofer's Compression Circuitry limits distortion at high volume levels.

    Amplifier: The subwoofer is powered by a high-current amplifier producing 50 watts RMS/100 watts dynamic power that supplies clean power for loud bass and a wide dynamic range necessary to recreate a life-like experience in your home.

    Bass Reflex Enclosure: The PSW108 features a bass-reflex enclosure with non-resonant MDF construction and internal bracing for deep bass impact with superior detail and accuracy. The Polk Audio PSW108 is available in a black wood-grain vinyl-wrapped finish.  The powered subwoofer's front firing port allows the woofer to be extremely efficient and provides more bass impact for your home theater experience.

    Controls: The Polk Audio PSW108 offers the following rear-panel controls.

    • Power Switch: The subwoofer has a 2-way power switch on the rear panel. When On/Auto is selected, the subwoofer turns on automatically when an input signal is received and off 15 minutes after the signal stops. The LED power indicator glows green when the unit is on and red when the unit is off.
    • Volume Control: The PSW108 has a rotary volume control to adjust the volume of the subwoofer relative to the other speakers in the system.
    • Phase Switch: The subwoofer's phase switch allows you to select 0-degrees (normal) or 180-degrees (reverse). If the bass sounds muddy or unclear, toggling the phase control can sometimes strengthen the bass attack.
    • Low-Pass Filter: The PSW108 offers a continuously variable low-pass filter, adjustable from 80-160 Hz.

    Connections: The Polk Audio PSW108 offers the following rear-panel connections.

    • Line Inputs: The PSW108 has gold plated left and right RCA line level inputs. If your receiver or processor has a single subwoofer line output, you can connect it to either the left or right line input jack, or use a Y-adapter and connect it to both. For receivers having subwoofer or stereo preamp outputs that do not contain their own low-pass crossover, the PSW108 will handle the low-pass filtering. If the receiver's subwoofer output or "LFE" output has a built-in low-pass filter, the PSW108's low-pass control should be turned fully clockwise (160Hz).
    • Speaker Level Input/Output: The subwoofer has spring clips for the speaker level inputs and outputs. The subwoofer's low-pass filter sends bass frequencies (based on the setting of the filter) to the subwoofer. The speaker level inputs and outputs are shorted together, so the output is not crossed over. You should set you receiver's front speaker setting to Large.
    Note: The PSW108 does not have a dedicated LFE input.

    Not Video Shielded: The subwoofer is not magnetically shielded, so it is not recommended to place it next to tube TVs and video monitors. Though LCD, DLP and Plasma televisions are not affected by magnetism you should allow at least 18" of space between the subwoofer and any TV.

    Placement: You may place the subwoofer anywhere in your room, but it will perform best when it's on the same side of the room as your system's front speakers. Also, placing the subwoofer near a wall or in a corner will increase its loudness.

     

     
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    For a more in-depth review and enhanced detailed information on the Polk Audio RM87/PSW108 System, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_700RM87B/Polk-Audio-RM87-PSW108-System.html ).