Koss Porta Pro Wireless 2.0 Bluetooth On-Ear Headphones User Manual

1. Introduction

The Koss Porta Pro Wireless 2.0 headphones combine the iconic design and legendary sound of the original Porta Pro with modern wireless technology. These on-ear headphones deliver breathtaking high-fidelity audio from 15-25,000 Hz, featuring deep bass and crisp highs. Designed for comfort and portability, they offer extended battery life and versatile connectivity options.

This manual provides detailed instructions for setting up, operating, and maintaining your Porta Pro Wireless 2.0 headphones to ensure optimal performance and longevity.

2. What's Included

Your Koss Porta Pro Wireless 2.0 package includes the following items:

• Koss Porta Pro Wireless 2.0 On-Ear Headphones
• Soft Shell Carrying Case
• USB-C to 3.5mm Analog Audio Pass-Through Cord
• USB-C Charging Cable
• Product Guide / User Manual

Figure 2.1: Koss Porta Pro Wireless 2.0 Headphones and included accessories.

3. Setup

3.1 Charging the Headphones

Before first use, fully charge your Porta Pro Wireless 2.0 headphones. A full charge provides over 20 hours of play/talk time.

1. Locate the USB-C charging port on the headphone earcup.
2. Connect the provided USB-C charging cable to the headphone's USB-C port.
3. Connect the other end of the USB-C cable to a compatible USB power source (e.g., computer USB port, USB wall adapter).
4. The LED indicator on the headphone will show charging status (refer to the product guide for specific LED behaviors).

Figure 3.1: Headphones showing 20+ hours of battery life and USB-C charging port.

3.2 Bluetooth Pairing

Pair your headphones with your Bluetooth-enabled device (smartphone, tablet, laptop) to enjoy wireless audio.

1. Ensure the headphones are charged and powered off.
2. Press and hold the Power/Bluetooth button on the headphone until the LED indicator flashes rapidly (usually blue and red), indicating pairing mode.
3. On your device, navigate to Bluetooth settings and turn Bluetooth on.
4. Select "Koss Porta Pro Wireless 2.0" from the list of available devices.
5. Once connected, the LED indicator on the headphones will typically show a solid blue light or flash slowly.

Figure 3.2: The internal wireless components enabling Bluetooth 5.2 connectivity.

3.3 Wired Connection (Analog Pass Through)

For wired listening, or when battery is depleted, use the included USB-C to 3.5mm audio cable.

1. Connect the USB-C end of the analog audio cable to the USB-C port on the headphone.
2. Connect the 3.5mm end of the cable to the headphone jack of your audio source.
3. The headphones will automatically switch to wired mode.

Figure 3.3: Headphones connected to a laptop using the analog pass-through cable.

4. Operating Instructions

4.1 Controls Overview

The Porta Pro Wireless 2.0 features integrated controls on the earcup for easy management of audio and calls.

Figure 4.1: Control layout on the headphone earcup, indicating Power On/Off, Voice Assistant, Pause/Play, Volume Up/Skip Track, and Volume Down/Previous Track.

• Power On/Off: Press and hold the multi-function button (usually the center button) for 3 seconds.
• Play/Pause: Short press the multi-function button.
• Volume Up: Press the '+' button.
• Volume Down: Press the '-' button.
• Next Track: Press and hold the '+' button.
• Previous Track: Press and hold the '-' button.
• Answer/End Call: Short press the multi-function button during an incoming call.
• Reject Call: Press and hold the multi-function button during an incoming call.
• Activate Voice Assistant: Double-press the multi-function button.

4.2 ComfortZone Adjustment

The unique ComfortZone system allows you to adjust the temporal pad pressure for a personalized fit.

1. Locate the "ComfortZone" slider on the temporal pads.
2. Slide towards "FIRM" for increased pressure and a more secure fit.
3. Slide towards "LIGHT" for reduced pressure and a more relaxed fit.

Figure 4.2: Adjusting the ComfortZone slider for optimal fit.

4.3 Folding for Portability

The Porta Pro Wireless 2.0 features a unique collapsible design for easy storage and transport in its included soft shell carrying case.

1. Gently fold the earcups inwards towards the headband.
2. The headphones will collapse into a compact form factor.
3. Place the folded headphones into the soft shell carrying case for protection.

Figure 4.3: The collapsible design of the Porta Pro Wireless 2.0 headphones for easy storage.

5. Maintenance

Proper care and maintenance will extend the life of your Koss Porta Pro Wireless 2.0 headphones.

• Cleaning: Use a soft, dry cloth to wipe down the earcups and headband. Avoid using harsh chemicals or abrasive materials.
• Storage: When not in use, store the headphones in their provided soft shell carrying case to protect them from dust, dirt, and physical damage.
• Avoid Moisture: Do not expose the headphones to excessive moisture or liquids. They are not waterproof.
• Temperature: Avoid storing or using the headphones in extreme temperatures (very hot or very cold).

6. Troubleshooting

If you encounter issues with your headphones, try the following solutions:

7. Specifications

8. Warranty and Support

For detailed warranty information and customer support, please refer to the official Koss website or the warranty card included with your product. You may also contact Koss customer service directly for assistance with product registration, technical support, or service inquiries.

Official Koss Website: www.koss.com