KOSS Manuals & User Guides

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

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

KOSS manuals

Latest posts, featured manuals, and retailer-linked manuals for this brand tag.

$Koss Porta Pro On Ear Headphones-Complete Features\Instruction Manual$

Koss Porta Pro On Ear Headphones-Complete Features\Instruction Manual

April 5, 2022

Koss Porta Pro On Ear Headphones Specifications DIMENSIONS: 6.81 x 2 x 8.94 inches, WEIGHT: 6.4 ounces, CONNECTIVITY: Wired, FREQUENCY RESPONSE: 15Hz- 25kHz, IMPEDANCE: 60 ohms, CORD LENGTH: 4 feet, MANUFACTURER: Koss Koss Porta Pro on Ear Headphones features a…

Brand: KOSS

$Koss KPH7 Lightweight Portable Headphone-Complete Features\Instrucion Manual$

Koss KPH7 Lightweight Portable Headphone-Complete Features\Instrucion Manual

April 4, 2022

Koss KPH7 Lightweight Portable Headphone Specifications DIMENSIONS: 8.44 x 2.13 x 6.38 inches, WEIGHT: 2.88 ounces, FREQUENCY RANGE: 80-18kHz, CORD LENGTH: 4 ft, IMPEDANCE: 32ohm, SENSITIVITY: 91dB SPL, MODEL NUMBER: KPH7, MANUFACTURER: Koss Koss is an American company that designs…

Brand: KOSS

KOSS BT0002 Bluetooth Headset Instructions

February 15, 2022

KOSS BT0002 Bluetooth Headset Bluetooth Discovery Mode To enter Bluetooth discovery mode, from an off state, depress and hold the center button until light flashes red and blue. Select"koss plug wireless on transmitting device to pair Bluetooth Paired When lhe…

Brand: KOSS

KOSS TWS150i Wireless Headphones Instructions

January 18, 2022

KOSS TWS150i Wireless Headphones Instructions Start Included Earbuds Charging Case Ear Cushions Charging Cable Instructions Product Overview Charging case with battery life status lights USB charging port Earbud status light Touch strip Voice mic Acoustical vent hole L/R indicator Magnetic…

Brand: KOSS

KOSS CS340BTQZ-X Wireless Communication Headset User Guide

January 9, 2022

KOSS CS340BTQZ-X Wireless Communication Headset User Guide In The Box Control and Features Pairing For First use, Press and hold the power button for 5 Seconds or more Choose "C060" to connect Headset will Automatically connect to your device after…

Brand: KOSS

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 flashes red and blue. NOTE: Headset can only enter Bluetooth…

Brand: KOSS

Koss Porta Pro Wireless Bluetooth Headphones User Manual and Specifications

manual • March 21, 2026

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.

Brand: KOSS

KOSS TWS250i True Wireless Earbuds User Manual

User Manual • February 8, 2026

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

Brand: KOSS

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

Product Overview • October 13, 2025

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.

Brand: KOSS

Koss Bluetooth Headsets User Guide, Specifications, and Safety Information

User Guide • October 7, 2025

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, technical specifications, and battery maintenance.

Brand: KOSS

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

instruction manual • September 20, 2025

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

Brand: KOSS

Koss KPH7 Wireless Bluetooth Headset User Manual

user manual • September 9, 2025

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

Brand: KOSS

Koss TWS150i True Wireless Earbuds User Manual & Instructions

instruction manual • August 26, 2025

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

Brand: KOSS

Koss CDP2581 Series Personal Compact Disc Player Owner's Manual

Owner's Manual • August 24, 2025

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.

Brand: KOSS

Koss Porta Pro Wireless On-Ear Headphones User Guide

user manual • August 18, 2025

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

Brand: KOSS

Koss Porta Pro Wireless On-Ear Headphones User Guide

user guide • August 14, 2025

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

Brand: KOSS

Koss Porta Pro Wireless On-Ear Headphones User Guide

user guide • July 24, 2025

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

Brand: KOSS

Koss KPH30 Wireless Headphones User Guide

User Guide • July 23, 2025

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

Brand: KOSS

Koss UR18 Stereo Headphone User Manual

UR18 • August 21, 2025 • Amazon

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

Brand: Koss

Koss KSC75 Portable Stereo Headphones Instruction Manual

KSC75 • August 19, 2025 • Amazon

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

Brand: Koss

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 • Amazon

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 comfortable on-ear design.

Brand: Koss

KOSS TWS150i True Wireless Earphones User Manual

TW150i • August 13, 2025 • Amazon

KOSS Earphone True Wireless TWS150i Mic. Bluetooth 5.0. 5+ hours game and talk time. Charging case increases to 25+ hours. Smart Voice Alerts. Battery level display on iOSOintended if listening at home or on the go, Koss True Wireless headphones reproduces all…

Brand: KOSS

Koss KSC35 Wireless Bluetooth Ear Clip Headphones User Manual

KSC35 • August 11, 2025 • Amazon

Comprehensive user manual for Koss KSC35 Wireless Bluetooth Ear Clip Headphones, covering setup, operation, maintenance, troubleshooting, and specifications.

Brand: Koss

Koss SportaPro On-Ear Stereo Headphones User Manual

155475 • August 7, 2025 • Amazon

Instruction manual for Koss SportaPro On-Ear Stereo Headphones, featuring dual wearing styles, lightweight design, and 3.5mm wired connectivity for versatile audio performance and portability.

Brand: Koss

Koss KTXPro1 Titanium On-Ear Portable Headphones User Manual

KTXPRO1 • August 6, 2025 • Amazon

Comprehensive user manual for Koss KTXPro1 Titanium On-Ear Portable Headphones, covering setup, operation, maintenance, troubleshooting, and specifications.

Brand: Koss

Koss VC20 Volume Control Instruction Manual

155954 • August 1, 2025 • Amazon

Official instruction manual for the Koss VC20 Volume Control (Model 155954). Learn about setup, operation, maintenance, and troubleshooting for this 39-inch cord volume control compatible with cell phones and headphones.

Brand: Koss

Koss Pro4AA Studio Quality Over-Ear Headphones User Manual

Pro4AA • July 27, 2025 • Amazon

Comprehensive user manual for the Koss Pro4AA Studio Quality Over-Ear Headphones, covering setup, operation, maintenance, troubleshooting, and specifications.

Brand: Koss

Koss Porta Pro Black On-Ear Headphones Instruction Manual

Porta Pro Black • July 24, 2025 • Amazon

Instruction manual for Koss Porta Pro Black On-Ear Headphones, covering setup, operation, maintenance, troubleshooting, specifications, and warranty information.

Brand: Koss

Koss CS100 On-Ear Communication Headset User Manual

CS100 (159617/183533) • July 22, 2025 • Amazon

Comprehensive user manual for the Koss CS100 On-Ear Communication Headset (Model 159617/183533). Learn about setup, operation, maintenance, and troubleshooting for your wired communication headset with noise-canceling microphone.

Brand: Koss

Koss KSC75 Portable On-Ear Clip Headphones User Manual

KSC75 • July 21, 2025 • Amazon

Comprehensive user manual for the Koss KSC75 Portable On-Ear Clip Headphones, covering setup, operation, maintenance, troubleshooting, and specifications for optimal audio experience.

Brand: Koss