SKU: 55794483650

Ashly PEMA 4125.70D 4-Channel 500W Pema Network Power Amplifier with OPDante Card & Protea DSP Software Suite (70V)

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Description

Ashly PEMA 4125.70D 4-Channel 500W Pema Network Power Amplifier with OPDante Card & Protea DSP Software Suite (70V)The 4 Channel 500W Pema Network Power Amplifier from Ashly consists of eight inputs and four power amplifier outputs with the ability to assign any input to any output. The amplifier features pre installed OPDante network audio interface card and the Protea DSP Software Suite. When switched into bridged mono mode, four powered outputs deliver 125W into a 70V load and channel pairs can be bridged for 250W into a 140V load. The power amplifier includes

The 4-Channel 500W Pema Network Power Amplifier from Ashly consists of eight inputs and four power amplifier outputs with the ability to assign any input to any output. The amplifier features pre-installed OPDante network audio interface card and the Protea DSP Software Suite. When switched into bridged-mono mode, four powered outputs deliver 125W into a 70V load and channel pairs can be bridged for 250W into a 140V load.

The power amplifier includes Euroblock input connectors and Euroblock output connectors. Besides remote standby for power up, DC remote level control, and contact closure preset recall, the amplifier also features Ethernet control, level, mute, polarity, temperature, current, and amplifier over current conditions. The front panel indicates power status, standby, protect, power switch On/Off, signal level, bridge, temperature & current levels, and Ethernet communication. A temperature dependent speed-controlled axial fan shall maintain the correct operating temperature. Full programming and control of the unit is from the rear panel RJ-45 jack connected to a 10/100BASE-T Ethernet LAN connected to a PC running the Protea Software. The amplifier mounts in a standard 19” rack using two spaces (3.5” high).

The power amplifier has an internal factory-installed Digital Signal Processing (DSP) controlled using the Protea Software Suite (network-enabled). Each amplifier input channel can be configured with pluggable DSP blocks to have its own dynamics control, gain functions, graphic and/or parametric EQ, Hi-pass/Lo-pass filters, time delay, metering, and test signal generator. Hot-plug DSP placement allows you to insert any function into any channel block, even when running live audio. A mixer section with assignable routing allows any input to drive any or all amplifier outputs. The matrix mixer also has selectable gain sharing automatic mixing capability. Outputs have the same DSP functions as inputs, with the addition of a quick and automated crossover setup. Up to 30 presets shall be standard and four presets shall be accessible via contact closure using the Protea Software Suite.

70V constant voltage
8x8 DSP matrix with 4-channel power amplifier
OPDante network audio interface
FIR Filter capable
Eight built-in mic preamp outputs
Gain sharing automatic mixing capability
Automatic feedback suppression
Ambient noise compensation
Telephone/PBX input
Dual RCA and balanced Euroblock inputs
Post DSP Aux line level outputs
Stereo summed to mono
Event scheduling (RTC)
Adjustable HP/LP filters
Built-in pink/white noise & sine wave generator
Protea DSP software suite
Hot-plug DSP placement
15V phantom power for mic inputs
Full control using software over 10/100BASE-T Ethernet
Automatic DHCP network IP configuration
Euroblock connectors for preset recall, DC remote level control, and serial data control
External control via standard wall remotes, Ethernet wall remotes, Remote iPad app
Level control via variable DC control voltage
Stand-by mode activation via contact closure
Multi-level security
cTUVus, CE, FCC, & RoHS safety/compliance

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 55794483650

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4.7 ★★★★★
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CJM
Fort Morgan, US
★★★★★ 5
Arm chair traveling on a cold winter retreat
Format: Paperback
This was the perfect book to get me back into reading! I’ve happily filled my evenings, transported to the John Muir Trail traveled by The Three Women. Your descriptions of such an immense beauty and reflections of your personal journey were at times like being on the trail with you all! An inspirational read!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 29, 2025
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Verified Purchase
ALLshop
Boise, US
★★★★★ 4
A great tale of women trekking together
Format: Kindle
This is well -written, enjoyable to read, and like the three women on the trail as a reader you don't want it to end as they near the end of the JMT. Filled with beautiful descriptions of scenery, humorous retelling of some difficult days, and interesting encounters with other people. Even for the non-hiker this book is a fun read.
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Reviewed in the United States on January 18, 2024
L
Verified Purchase
Linda Woodward
Carnegie, US
★★★★★ 5
One of the best real life adventure stories ever.
Format: Paperback
An absolutely wonderful book. The author takes the reader on an amazing hike on the John Muir Trail. She & her two hiking companions experience vast natural beauty, physical demands, ferocious weather & accidents, but together they get to the trails end atop Mt Whitney. Her descriptions of the hike & the environment bring the reader right along with them. This is truly an amazing adventure tale & also the authors personal memoir. If you love the outdoors, hiking, mountains……or even if you don’t, this is an exciting read.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 23, 2025
L
Verified Purchase
Lucy
San Leandro, US
★★★★★ 3
A natural storyteller
Format: Paperback
Three middle-aged women hike the mighty John Muir Trail, the crown jewel of California that covers over 200 miles of steep and rocky terrain in the Sierra. It was a big deal. The 3-week wilderness trip extended over multiple, high-elevation passes, crossed roaring water and rose to the summit of Mount Whitney, the tallest mountain in the contiguous US at 14, 505 feet. Griffin’s storytelling comes naturally and with ease. This inspirational, follow-your-dreams story is easy to feel surrounded by because of Griffin’s vivid writing. Luscious accounts of landscapes, macro details of the natural world and the knee-knocking, quad-stabbing terrain puts you, the reader, right there. Conversely, the detailed prose is a huge liability in the pacing of this book. Mundane details are redundant as the book slogs on. Long descriptions overtake the read and the focus stays superficial. I would have liked much more character development, and better cadence and dialogue.
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Reviewed in the United States on February 4, 2026
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Primo Won
Natrona Heights, US
★★★★★ 5
My Favorite Camino Read To Date
Format: Kindle
I have read dozens of Camino retellings. This, by Brad Chermside, is my most enjoyed. Brad is an excellent writer with no fear of exposing his insecurities and weaknesses, physical or social. His many metaphors are original and laugh-out-loud funny. He used several interesting writing techniques to keep me in suspense. The most effective being, from the start of the narrative, finding out if when he met the never met mystery woman, who was the catalyst for him beginning his journey, and he would click. It was eventually answered. Highly recommend the book. Hat's off to Mr Chermside on an excellent read.
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Reviewed in the United States on October 21, 2020

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