Furman

Furman PLPRODMC 20A Power Conditioner - Voltmeter/Ammeter

4.5 (60 reviews)

A 20-amp rack-mount power conditioner with SMP surge protection, isolated outlet banks, and real-time voltage/current metering.

$379.95*$498.94Save 23%
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The Furman PL-PRO DMC is a professional 20-amp power conditioner built for anyone who needs reliable, clean power delivery for valuable audio, video, or computing equipment. At its foundation is Furman's exclusive SMP (Series Multi-Stage Protection) technology, which provides non-sacrificial surge and spike protection — meaning it doesn't rely on MOVs that wear out over time, maintaining full protective capability throughout the life of the unit. The 20-amp rating, paired with a high-inrush magnetic circuit breaker, ensures the unit can handle the demanding startup currents of power amplifiers and other high-draw equipment without false tripping.

Beyond protection, the PL-PRO DMC actively improves power quality through its isolated outlet banks. By electrically separating groups of outlets, the unit prevents noise generated by one piece of equipment — such as digital processors or computers — from contaminating the power feeding sensitive analog gear like preamps and converters. The front-panel voltmeter and ammeter give you continuous, at-a-glance visibility into your incoming voltage and total current consumption, which is invaluable for diagnosing power issues at unfamiliar venues or verifying that your rack isn't approaching its circuit limit. The rack-mountable chassis features pull-out LED lights on the front panel for illuminating your gear in dark environments, rounding out a feature set that makes the PL-PRO DMC a staple in professional touring racks and studio installations alike.

Key Features

Isolated outlet banks minimize inter-component interference and noise contamination

20 Amp rating featuring a high inrush magnetic circuit breaker for added protection

Perfect for instrument rigs, home recording, DJ equipment, pro audio rigs and home entertainment systems

20 amp conditioner with 20 amp NEMA

Specifications

Technology
SMP (Series Multi-Stage Protection)
Current Rating
20 Amps
Outlet Configuration
Isolated Outlet Banks
Circuit Breaker
High Inrush Magnetic
Metering
Front-Panel Voltmeter and Ammeter
Connector
20-Amp NEMA Male-to-Female
Voltage
139 Volts
Form Factor
Rack-Mountable
Brand
Furman
Model
PL-PRO DMC

Pros & Cons

👍 Pros

  • SMP surge protection maintains full clamping effectiveness over time, unlike standard MOV-based protectors that degrade with each surge event.
  • Isolated outlet banks prevent inter-component noise contamination between sensitive analog and noisy digital equipment.
  • Front-panel voltmeter and ammeter provide real-time monitoring of incoming voltage and total current draw.
  • 20-amp rating with high-inrush magnetic circuit breaker supports demanding equipment loads without nuisance tripping.
  • Rack-mountable design fits standard 19-inch equipment racks for clean, professional installation.

👎 Cons

  • Requires a dedicated 20-amp NEMA outlet, which may not be available in all studios or venues without electrical work.
  • Higher price point than basic power strips and standard surge protectors.
  • Does not include automatic voltage regulation (AVR) for environments with significant voltage fluctuations.
  • The unit adds weight and takes up a full rack space in your equipment rack.

Frequently Asked Questions

SMP (Series Multi-Stage Protection) is Furman's proprietary surge suppression technology. Unlike standard MOV-based protectors that degrade over time, SMP uses a multi-stage clamping circuit that absorbs and dissipates voltage spikes without sacrificing protection capacity over repeated surge events.
Isolated outlet banks prevent electrical noise generated by one piece of equipment from bleeding into the power supply of another. This is especially important in audio and video rigs where digital devices can introduce interference that degrades the signal quality of sensitive analog gear.
The PL-PRO DMC requires a 20-amp NEMA outlet (NEMA 5-20R), which has a T-shaped neutral slot. Standard 15-amp outlets will not accept the 20-amp plug. Verify that your venue or studio has 20-amp circuits before purchasing.
The front-panel voltmeter shows the incoming AC voltage from the wall, letting you verify you're receiving proper voltage. The ammeter displays the total current draw of all connected equipment, helping you avoid overloading the circuit.
It does both. Beyond surge and spike protection via SMP, the unit conditions incoming power by filtering EMI and RFI noise through its isolated outlet banks, delivering cleaner AC power to connected equipment.