SKU # 35829

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)
• Wire remote control ready (PRC100BC, PRC200BC sold separately)
• Conformal coated PCB

Weight 2.5 lbs
Overall Dimensions

Module: 7.4” W x 7.4 H x 2.2” D Commander: 5.4” W x 3.75” H x 1.7” D

Selectable AM/FM frequency spacing US/European

US Only

ASTM B117 Compliant


Waterproof Rating


Maximum Power Output (Watts x Channel)

50W x 4

ASTM D4329 Compliant


Web Photo

Free Shipping

We offer free shipping on all orders within the contiguous 48 states.

  • All orders subject to credit card approval. Free Shipping offer is valid only on standard shipping to the contiguous United States (We do not ship to Hawaii, Alaska, or countries outside the United States).
  • Additional charges will be applied for “2nd Day Air” and “Next Day Air” shipping options
  • All orders placed Monday to Thursday by 12PM Eastern Standard Time will ship the next business day if product is in stock.
  • Orders placed on Friday by 12PM Eastern Standard Time will ship Monday or the following business day.
  • No Saturday delivery available.
  • Offer Subject to change without notice.
  • We are closed the following days in 2020: January 1st, May 25th, July 3rd, September 7th, November 26th & 27th, December 24th & 25th, December 31st, and January 1st. Orders placed on those days will be processed on the following business day.