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Brand New PDR Amplifiers from Alpine Electronics Endure Legacy of Compact Amplifiers with Powerful Output

Back January 7, 2014

The new amplifiers join the PDX and V-Power Series to make a complete lineup for any system need

Torrance, Calif. (Jan. 7, 2014) – Alpine Electronics of America, Inc. will debut its new PDR vehicle amplifiers at the 2014 International CES taking place Jan. 7-10 at the Las Vegas Convention Center. The PDR amplifiers are an entirely new line from Alpine.

“Alpine invented the compact amplifier category back in 2006,” said Steve Crawford, vice president and general manager, aftermarket business unit, Alpine Electronics of America, Inc. “Every year since, we have improved upon the format by introducing amplifiers that are smaller yet more powerful than their predecessors. Our new PDR amplifiers exemplify our continuing commitment to this category, as they are highly efficient and produce a great amount of power for their small size.”

Key features of the new PDR amplifiers include:

  • Quiet Performance: The ultra-low signal to noise ratio provides clearer music without background hiss.
  • Power Density: The PDR amplifiers are small and easy-to-install, with big power output.
  • Quality Bass Performance: Ultra-high damping factor keeps bass clean and tight.
  • Power Verification Certificate: Every PDR amplifier comes with a “Birth Sheet” indicating the actual measured power of the amplifier.
  • Easy-to-Adjust Bass: The mono PDR-M65 and 5-channel PDR-V75 are compatible with the optional RUX-KNOB remote bass knob for easy bass adjustment from the dash.
  • Rotatable Alpine Badge: The Alpine badge can be installed in four different orientations so it is straight no matter what position the amplifier is installed.
  • Thermal Performance Stability: The higher efficiency design allows for improved thermal management, to help sustain output power and prevent shutdown of the amplifier.
  • Dual Feedback Modulation: Dual internal error correction technology, which is incorporated in other Alpine amplifiers, is adopted in the PDR-M65 mono amplifier.
  • 2- or 4-channel Speaker Input and Pre-Outs: The PDR-M65 mono amplifier can connect to a factory head unit via speaker-level inputs (up to 10V), making it ideal for an easy factory system upgrade.
  • Remote Sensing: The amplifiers automatically turn on when voltage is detected on speaker-level inputs, eliminating the need to run a separate amplifier turn-on wire when upgrading factory systems.

Additional Alpine amplifiers will still be available for 2014. The premium PDX amplifiers incorporate Global Modulation architecture for the ultimate sound quality that is the hallmark of PDX amplifiers. These efficient and reliable amplifiers set the bar as the first all-digital amplifiers to be housed in a small, uniform footprint, using a stackable chassis design for compact installations. The MRX-M110 from the X-Power series will stay on as a powerful option for users who want a mono amplifier that can drive multiple subwoofers. The entry level V-Power amplifiers offer style and performance at attractive price points.

Also available are the Head Unit Power Packs, which are small amplifiers that increase the power of head units to 45W RMS x 4. The KTP-445A is designed for select 2005 and newer Alpine head units, while the KTP-445U version offers the same power boost for virtually any source unit.

Alpine’s complete amplifier lineup can be found at authorized Alpine retailers, visit www.alpine-usa.com for a store locator.


PDR Digital Amplifiers

PDR-M65 Mono Power Density Reference Amplifier

  • 450W RMS x1 (4ohm, 14.4V ≤0.09% THD+N)
  • 650W RMS x1 (2ohm, 14.4V ≤0.07% THD+N)
  • S/N ratio: 87dB (ref: 1W into 4 ohm), >113dB (ref: rated power into 4 ohm)
  • Watts per square inch: 5.6
  • Damping factor >1500
  • Remote bass knob compatible (requires RUX-KNOB, sold separately)
  • Available: March
  • SRI: $450.00

PDR-F50 4/3/2 Channel Power Density Reference Amplifier

  • 85W RMS x4 (4ohm, 14.4V ≤0.09% THD+N)
  • 125W RMS x4 (2ohm, 14.4V ≤0.07% THD+N)
  • S/N ratio: 87dB (ref: 1W into 4 ohm), >106dB (ref: rated power into 4 ohm)
  • Watts per square inch: 4.3
  • Damping factor >500
  • Available: March
  • SRI: $450.00

PDR-V75 5-Channel Power Density Reference Amplifier

  • 75W RMS x4 + 250W RMS x1 (4ohm, 14.4V ≤0.09% THD+N)
  • 100W RMS x4 + 350W RMS x1 (2ohm, 14.4V ≤0.07% THD+N)
  • S/N ratio: 87dB (CH1-5 [ref: 1W into 4 ohm]), >105dB (CH1-4)/110dB (CH5) (ref: rated power into 4 ohm)
  • Watts per square inch: 5.4
  • Damping factor > 500 (CH1-4), > 1000 (CH5)
  • Remote bass knob compatible (requires RUX-KNOB, sold separately)
  • Available: May
  • SRI: $550.00

PDX Digital Amplifiers (All available now):

PDX-V9 5 Channel Power Digital Amplifier

  • CEA-2006 Amplifier Ratings: 100W RMS x 4 + 500W x 1 [4/2 ohm @ 14.4V ≤ 0.05% THD+N]
  • S/N ratio: 94dB (ref: 1W into 4 ohm)
  • Remote bass knob compatible (requires RUX-KNOB, sold separately)
  • SRI: $750.00

PDX-M12 Mono Power Amplifier

  • CEA-2006 Amplifier Ratings: 1200W RMS x 1 [4/2 ohm @ 14.4V ≤ 0.04% THD+N]
  • S/N ratio: 92 dB (ref: 1W into 4 ohm)
  • Remote bass knob compatible (requires RUX-KNOB, sold separately)
  • SRI: $900.00

PDX-M6 Mono Power Amplifier

  • CEA-2006 Amplifier Ratings: 600W RMS x 1 [4/2 ohm @ 14.4V ≤ 0.02% THD+N]
  • S/N ratio: 95 dB (ref: 1W into 4 ohm)
  • Remote bass knob compatible (requires RUX-KNOB, sold separately)
  • SRI: $550.00

PDX-F6 4/3/2 Channel Power Amplifier

  • CEA-2006 Amplifier Ratings: 150W RMS x 4 [4/2 ohm @ 14.4V ≤0.05% THD+N]
  • S/N ratio: 94 dB (ref: 1W into 4 ohm)
  • SRI: $850.00

PDX-F4 4/3/2 Channel Power Amplifier

  • CEA-2006 Amplifier Ratings: 100W RMS x 4 [4/2 ohm @ 14.4V ≤ 0.05% THD+N]
  • S/N ratio; 95 dB (ref: 1W into 4 ohm)
  • SRI: $550.00

X-Power Digital Amplifier (Available now):

MRX-M110 Mono Digital Amplifier

  • CEA-2006 Amplifier Ratings: 650W RMS x 1 [4 ohm @14.4V ≤1% THD + N]
  • 1100W RMS x 1 [2 ohm @ 14.4V ≤ 1% THD + N]
  • S/N ratio: 90dB (ref: 1W into 4 ohm)
  • Remote bass knob compatible (requires RUX-KNOB, sold separately)
  • SRI: $450.00

V-Power Series Amplifiers (All available now):

MRV-M500 Mono Digital Amplifier

  • CEA-2006 Amplifier Ratings: 300W RMS x 1 [4 ohm @14.4V ≤1% THD + N]
  • 500W RMS x 1 [2 ohm @ 14.4V ≤ 1% THD + N]
  • S/N ratio: 85dB (ref: 1W into 4 ohm)
  • Remote bass knob compatible (requires RUX-KNOB, sold separately)
  • SRI: $230.00

MRV-M250 Mono Digital Amplifier

  • CEA-2006 Amplifier Ratings: 150W RMS x 1 [4 ohm @14.4V ≤1% THD + N]
  • 250W RMS x 1 [2 ohm @ 14.4V ≤ 1% THD + N]
  • S/N ratio: 85dB (ref: 1W into 4 ohm)
  • Remote bass knob compatible (requires RUX-KNOB, sold separately)
  • SRI: $170.00

MRV-F300 4/3/2 Channel Digital Amplifier

  • CEA-2006 Amplifier Ratings: 50W RMS x 4 [4 ohm @14.4V ≤1% THD + N]
  • 75W RMS x 4 [2 ohm @ 14.4V ≤ 1% THD + N]
  • S/N ratio: 81dB (ref: 1W into 4 ohm)
  • SRI: $230.00

Power Pack Amplifiers (All available now)

KTP-445A Power Pack Amplifier for Alpine Head Units

  • CEA-2006 Amplifier Ratings: 45W RMS x 4 [4 ohm @ 14.4V ≤ 1% THD+N]
  • S/N ratio: 82 dB (ref: 1W into 4 ohm)
  • Compatible with select Alpine head units, 2005 and newer
  • SRI: $160.00

KTP-445U Universal Power Pack Amplifier

  • CEA-2006 Amplifier Ratings: 45W RMS x 4 [4 ohm @ 14.4V ≤ 1% THD+N]
  • S/N ratio: 80 dB (ref: 1W into 4 ohm)
  • SRI: $180.00

Remote Bass Knob

RUX-KNOB Remote Bass Knob

  • SRI: $40.00
  • Available Now

Notice:Product information is based upon current information at the time of writing, but cannot be guaranteed. All designs, features, specifications and delivery dates are subject to change without notice.

About Alpine Electronics

Alpine Electronics is an automotive electronics manufacturer that provides consumers and leading auto makers with audio, video, navigation and driver assistance products. The company specializes in system integration solutions with innovative vehicle entertainment and information technologies.

Alpine’s R&D and manufacturing facilities in Japan, China, Europe and North America ensure that all products address the real world requirements of drivers in each market. The company is committed to developing safe, comfortable and eco-friendly automotive electronics products.

For more information about Alpine’s aftermarket products, visit www.alpine-usa.com.

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Downloadable Content
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Low Resolution
PDR-F50 (1)  |  PDR-M65 (1)

High Resolution
PDR-F50 (1)  |  PDR-M65 (1)



Notice: Product information is based upon current information at the time of writing, but cannot be guaranteed. All designs, features, specifications and delivery dates are subject to change without notice.

Alpine Media Contact(s):

Alpine Electronics of America, Inc.
AlpinePressRoom@alpine-usa.com