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API Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for API products.

Tip: include the full model number printed on your API label for the best match.

About API manuals on Manuals.plus

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API, In 1969, Automated Processes Incorporated was formed by engineers and musicians who shared a common vision: to create the highest possible quality professional audio gear, and then back it up with excellent customer service. 50 years later, that vision is stronger than ever and remains an integral part of API’s extraordinary success. Their official website is API.com.

A directory of user manuals and instructions for API products can be found below. API products are patented and trademarked under the brand API Group, Inc.

Contact Info:

Address: 8301 Patuxent Range Road Jessup, MD 20794
Phone: 301-776-7879
Fax: 301-776-8117

API manuals

Latest manuals from manuals+ curated for this brand.

API 600 Outdoors Bird Bath Heated User Manual

December 5, 2025
API 600 Outdoors Bird Bath Heated INTRODUCTION An essential outdoor tool for keeping water available to birds in the winter is the API 600 Outdoors Bird Bath Heated. This heated…

API 300 Birdbath Water Heater User Manual

December 5, 2025
API 300 Birdbath Water Heater INTRODUCTION For bird lovers who want to provide wild birds access to water throughout the year, even during the coldest months, the API 300 Birdbath…

api 3122V 2 Channel Mic Preamp User Guide

August 6, 2025
api 3122V 2-Channel Mic Preamp Specification Specification Details Input Impedance Mic: 1500 OhmsHi-Z: 470 kOhms (unbalanced) Output Impedance Less than 75 Ohms, transformer balanced Nominal Levels XLR channel output: +4…

API 600 Heated Birdbath User Manual

November 22, 2024
API 600 Heated Birdbath Launch Date: 18, 2021 Price: $107.48 Introduction The API 600 Heated Birdbath is a safe and energy-efficient way to keep water from freezing, making it a…

api 5500 Dual Equalizer Instruction Manual

June 1, 2024
api 5500 Dual Equalizer Product Information Specifications: Product Name: API 5500 Dual Equalizer Manufacturer: Automated Processes, Inc. Model: 5500 Address: 8301 Patuxent Range Road, Jessup, MD 20794 USA Contact: 301-776-7879…

API 2500+ Stereo Bus Compressor Operator's Manual

operator's manual
Discover the features and operation of the API 2500+ Stereo Bus Compressor. This manual provides detailed information on its controls, functions, and applications for professional audio engineering.

API manuals from online retailers

API GH & KH Test Kit: Freshwater Aquarium Water Testing Manual

GENERAL/CARBONATE HARDNESS KIT (Model 58) • October 20, 2025
Comprehensive instruction manual for the API GH & KH Test Kit, designed for accurate measurement of general and carbonate hardness in freshwater aquariums to maintain optimal water quality…