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KOSS Manuals & User Guides

Koss Corporation is a legendary American audio company specializing in high-fidelity stereophones, wireless headphones, and headsets for audiophiles and professionals.

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

KOSS Support

Official site: https://koss.com
General support: https://koss.com/pages/support
Warranty & registration: Warranty info
Support phone: 1-800-872-5677
Support email: support@koss.com
Contact form: Contact manufacturer support

KOSS manuals

Latest manuals from manuals+ curated for this brand.

KOSS KPH7 Wireless Bluetooth Headphone Instruction Manual

December 28, 2021

KOSS KPH7 Wireless Bluetooth Headphone Bluetooth Discovery Mode To enter Bluetooth discovery mode, first ensure that the headset is OFF, then depress and hold the center button until LED indicator…

Koss Porta Pro Wireless Bluetooth Headphones User Manual and Specifications

manual

Comprehensive user manual for the Koss Porta Pro Wireless Bluetooth headphones, covering setup, controls, charging, safety, and technical specifications. Includes FCC and CE compliance information.

KOSS TWS250i True Wireless Earbuds User Manual

User Manual

User guide for KOSS TWS250i True Wireless Earbuds, covering setup, pairing, touch controls, charging, specifications, and safety warnings.

KOSS Suite Mirror: Front-Lit LED Mirror Product Specification and Guide

Product Overview

Detailed product specifications, features, dimensions, and installation instructions for the KOSS Suite Mirror, a front-lit LED bathroom mirror with adjustable color modes and anti-fog functionality.

Koss Bluetooth Headsets User Guide, Specifications, and Safety Information

User Guide

Comprehensive user guide for Koss Bluetooth headsets, including models KOSS BT115i V2, KOSS BT232i V2, KOSS BT221i V2, KOSS KSC35 Wireless V2, and KOSS UTILITY UBTA. Covers safety warnings, warranty,…

KOSS BTS1 Bluetooth Speaker: User Guide, Features, and Safety Information

instruction manual

A comprehensive guide to the KOSS BTS1 Bluetooth speaker, detailing its features, connectivity, listening modes, charging, light indicators, safety warnings, warranty, and compliance information.

Koss KPH7 Wireless Bluetooth Headset User Manual

user manual

User manual for the Koss KPH7 Wireless Bluetooth Headset, covering pairing, charging, controls, safety warnings, compliance information, and technical specifications.

Koss TWS150i True Wireless Earbuds User Manual & Instructions

instruction manual

Comprehensive guide to using your Koss TWS150i True Wireless Earbuds, covering setup, pairing, controls, charging, and safety information.

Koss CDP2581 Series Personal Compact Disc Player Owner's Manual

Owner's Manual

Comprehensive owner's manual for the Koss CDP2581 Series Personal Compact Disc Player, detailing features like full shock protection, anti-skip memory, CD-R/CD-RW compatibility, operation, maintenance, and troubleshooting.

Koss Porta Pro Wireless On-Ear Headphones User Guide

user manual

User guide for the Koss Porta Pro Wireless On-Ear Headphones, covering features, controls, safety warnings, specifications, and compliance information.

Koss Porta Pro Wireless On-Ear Headphones User Guide

user guide

User guide for Koss Porta Pro Wireless On-Ear Headphones, detailing setup, Bluetooth pairing, music playback, call management, and controls.

Koss Porta Pro Wireless On-Ear Headphones User Guide

user guide

User guide for the Koss Porta Pro Wireless On-Ear Headphones, covering front and back controls, charging, Bluetooth pairing, and music/call functions.

Koss KPH30 Wireless Headphones User Guide

User Guide

User guide for the Koss KPH30 Wireless Headphones, covering setup, operation, safety, and specifications.

KOSS manuals from online retailers

Koss UR18 Stereo Headphone User Manual

UR18 • August 21, 2025

Official user manual for the Koss UR18 Stereo Headphone, providing detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity.

Koss KSC75 Portable Stereo Headphones Instruction Manual

KSC75 • August 19, 2025

Official instruction manual for Koss KSC75 Portable Stereo Headphones. This guide covers setup, operation, maintenance, troubleshooting, and detailed specifications for model 184838.

Koss Porta Pro Limited Edition Black Gold On-Ear Headphones, in-Line Microphone, Volume Control and Touch Remote Control, Includes Hard Carrying Case, Wired with 3.5mm Plug, Black and Gold

193392 • August 13, 2025

Koss Porta Pro Limited Edition Black Gold On-Ear Headphones user manual. Learn about setup, operation, maintenance, and troubleshooting for these wired headphones with in-line microphone, volume control, and…

KOSS Manuals & User Guides

KOSS manuals

KOSS KPH7 Wireless Bluetooth Headphone Instruction Manual

Koss Porta Pro Wireless Bluetooth Headphones User Manual and Specifications

KOSS TWS250i True Wireless Earbuds User Manual

KOSS Suite Mirror: Front-Lit LED Mirror Product Specification and Guide

Koss Bluetooth Headsets User Guide, Specifications, and Safety Information

KOSS BTS1 Bluetooth Speaker: User Guide, Features, and Safety Information

Koss KPH7 Wireless Bluetooth Headset User Manual

Koss TWS150i True Wireless Earbuds User Manual & Instructions

Koss CDP2581 Series Personal Compact Disc Player Owner's Manual

Koss Porta Pro Wireless On-Ear Headphones User Guide

Koss Porta Pro Wireless On-Ear Headphones User Guide

Koss Porta Pro Wireless On-Ear Headphones User Guide

Koss KPH30 Wireless Headphones User Guide

KOSS manuals from online retailers

Koss UR18 Stereo Headphone User Manual

Koss KSC75 Portable Stereo Headphones Instruction Manual

Koss Porta Pro Limited Edition Black Gold On-Ear Headphones, in-Line Microphone, Volume Control and Touch Remote Control, Includes Hard Carrying Case, Wired with 3.5mm Plug, Black and Gold

KOSS TWS150i True Wireless Earphones User Manual

Koss KSC35 Wireless Bluetooth Ear Clip Headphones User Manual

Koss SportaPro On-Ear Stereo Headphones User Manual

Koss KTXPro1 Titanium On-Ear Portable Headphones User Manual

Koss VC20 Volume Control Instruction Manual

Koss Pro4AA Studio Quality Over-Ear Headphones User Manual

Koss Porta Pro Black On-Ear Headphones Instruction Manual

Koss CS100 On-Ear Communication Headset User Manual

Koss KSC75 Portable On-Ear Clip Headphones User Manual