Amplifiers

Polk Ultramarine has designed powerful, high-efficiency amplifiers for sound systems of any size.

UMPA1

  • 450 watt maximum power
  • 1 channel
  • Mono design drives two subwoofers
  • 100 dB
  • Class D design
  • Compact, white powder coated
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UMPA4

  • 4 x 150 watt maximum power
  • 4 channels
  • Drives 4 full range speakers
  • 2 differential audio in
  • 100 dB
  • Class D design
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UMPA5

  • 4 x 150 watt maximum and 450 watt maximum for subwoofer
  • 5 channels
  • Drives 4 full range speakers and 1 subwoofer
  • 3 differential audio in
  • 100 dB
  • Class D design
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UMPA8

  • 4 x 150 watt maximum and 450 watt maximum for subwoofer
  • 8 channels
  • Drives 8 full range speakers
  • Single channel pair bridged to drive subwoofer
  • 4 differential audio in
  • 100 dB
Learn More

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UMPA1

  • 450 watt maximum power
  • 1 channel
  • Mono design drives two subwoofers
  • 100 dB
  • Class D design
  • Compact, white powder coated
  • High efficiency
  • OEM connectivity
  • Differential audio output
  • Black silicone end cap covers

UMPA4

  • 4 x 150 watt maximum power
  • 4 channels
  • Drives 4 full range speakers
  • 2 differential audio in
  • 100 dB
  • Class D design
  • Compact, white powder coated
  • High efficiency
  • OEM connectivity
  • Differential audio output
  • Black silicone end cap covers

UMPA5

  • 4 x 150 watt maximum and 450 watt maximum for subwoofer
  • 5 channels
  • Drives 4 full range speakers and 1 subwoofer
  • 3 differential audio in
  • 100 dB
  • Class D design
  • Compact, white-powder coated
  • High efficiency
  • OEM connectivity
  • Differential audio output
  • Black silicone end cap covers

UMPA8

  • 4 x 150 watt maximum and 450 watt maximum for subwoofer
  • 8 channels
  • Drives 8 full range speakers
  • Single channel pair bridged to drive subwoofer
  • 4 differential audio in
  • 100 dB
  • Class D design
  • Compact, white powder coated
  • High efficiency
  • OEM connectivity
  • Differential audio output
  • Black silicone end cap covers

Stereos

Speakers & Subwoofers

Amplifiers

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PRC200BC

  • Waterproof wired remote control
  • Daylight readable positive type LCD display
  • White backlit controls and LCD illumination
  • Removable trim ring (chrome included)
  • Corrosion and UV resistant
  • Conformal coated circuit board
  • Ignition protection certified
  • Surface mount or rear flush mount

PRC100BC

  • Waterproof wired remote control
  • Blue backlit controls
  • Removable trim ring (chrome included)
  • Corrosion and UV resistant
  • Conformal coated circuit boards
  • Ignition protection certified
  • Through-hole mount with threaded housing and knurled securing nut
  • Spin-on mounting clamp
  • 2-inch diameter mounting hole

UMS108

  • 10.8-inch waterproof subwoofer
  • Available in black (UMS108B), smoke (UMS108S), or white (UMS108W)
  • 700 watts maximum power
  • Corrosion and UV resistant
  • Air suspension
  • Cast aluminum basket
  • High temperature voice coil
  • Snap-on grille installation option
  • Silver cone
  • Insulated tinsel leads
  • Mica and polypropylene woofer
  • 70.8 oz magnet
  • 4 Ohms nominal impedance
  • 89.2 dB sensitivity
  • 20 Hz – 2KHz frequency response
  • 5.71-inch mounting depth

UMS88

  • 8.8-inch waterproof speaker
  • Available in black (UMS88B), smoke (UMS88S), or white (UMS88W)
  • 250 watts maximum power
  • Corrosion and UV resistant
  • Free air design
  • Cast aluminum basket
  • High temperature voice coil
  • Snap-n grille installation option
  • Silver cone
  • Insulated tinsel leads
  • Mica and polypropylene woofer
  • Titanium dome tweeter
  • 40.3 oz. magnet
  • 4 Ohms nominal impedance
  • 89.4 dB sensitivity
  • 50 Hz – 20KHz frequency response
  • 4.06-inch mounting depth

UMS77

  • 7.7-inch waterproof speaker
  • Available in black (UMS77B), smoke (UMS77S), or white (UMS77W)
  • 200 watts maximum power
  • Corrosion and UV resistant
  • Free air design
  • Cast aluminum basket
  • High temperature voice coil
  • Snap-on grille installation option
  • Silver cone
  • Insulated tinsel leads
  • Mica and polypropylene woofer
  • Titanium dome tweeter
  • 25.6 oz. magnet
  • 4 Ohms nominal impedance
  • 90.2 dB sensitivity
  • 70 Hz – 20 KHz frequency response
  • 3.03-inch mounting depth

UMS66

  • 6.6-inch waterproof speaker
  • Available in black (UMS66B), smoke (UMS66S), or white (UMS66W)
  • 150 watts maximum power
  • Corrosion and UV resistant
  • Free air design
  • Cast aluminum basket
  • High temperature voice coil
  • Snap-on grille installation option
  • Silver cone
  • Insulated tinsel leads
  • Mica and polypropylene woofer
  • Titanium dome tweeter
  • 12.4 oz. magnet
  • 4 Ohms nominal impedance
  • 87.5 dB sensitivity
  • 100 Hz – 20KHz frequency response
  • 2.92-inch mounting depth

UM2A

  • Waterproof two-piece modular source unit
  • 200 watts maximum power
  • App Ready – Control main functions from most Bluetooth®-enabled devices with the Polk Ultramarine App
  • Bluetooth streaming audio (A2DP) and control (AVRCP)
  • 2.8-inch daylight readable TFT display with protective glass lens
  • Low-profile flush-mount commander with detachable trim ring
  • Four-channel amplified audio
  • Four-zone volume control when used with UM2DSP
  • Digital AM/FM tuner with 30 station presets (18 FM/12AM)
  • SiriusXM radio ready with 18 SAT station presets (tuner and subscription required)
  • USB supports MP3/WMA playback
  • 12 volt DC power
  • Non-volatile memory
  • Corrosion and UV resistant
  • Preset EQ settings (user, flat, pop, classical, and rock)
  • Rear auxiliary line-level audio input (RCA)
  • Front and rear four-channel line-level audio output (RCA)
  • Wired remote control ready (PRC100BC, PRC200BC sold separately)
  • Conformal coated PCB