Koss Porta Pro Wireless 2.0
Koss Porta Pro Wireless 2.0 Bluetooth On-Ear Headphones User Manual
Model: Porta Pro Wireless 2.0 | Brand: Koss
1. Ifihan
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. Kini To wa
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 Ngba agbara Cable
- Ìtọ́sọ́nà Ọjà / Ìwé Ìtọ́sọ́nà Olùlò

Figure 2.1: Koss Porta Pro Wireless 2.0 Headphones and included accessories.
Video 2.1: Official Unboxing of the Porta Pro Wireless Headphones by Koss Stereophones, showing all contents.
3. Eto
3.1 Ngba agbara si awọn Agbekọri
Before first use, fully charge your Porta Pro Wireless 2.0 headphones. A full charge provides over 20 hours of play/talk time.
- Wa ibudo gbigba agbara USB-C lori ago agbekọri naa.
- Connect the provided USB-C charging cable to the headphone's USB-C port.
- Connect the other end of the USB-C cable to a compatible USB power source (e.g., computer USB port, USB wall adapter).
- 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 Sisopọ Bluetooth
Pair your headphones with your Bluetooth-enabled device (smartphone, tablet, laptop) to enjoy wireless audio.
- Rii daju pe awọn agbekọri ti gba agbara ati agbara si pipa.
- Press and hold the Power/Bluetooth button on the headphone until the LED indicator flashes rapidly (usually blue and red), indicating pairing mode.
- On your device, navigate to Bluetooth settings and turn Bluetooth on.
- Select "Koss Porta Pro Wireless 2.0" from the list of available devices.
- 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.
- Connect the USB-C end of the analog audio cable to the USB-C port on the headphone.
- Connect the 3.5mm end of the cable to the headphone jack of your audio source.
- Awọn agbekọri yoo yipada laifọwọyi si ipo ti firanṣẹ.

Figure 3.3: Headphones connected to a laptop using the analog pass-through cable.
4. Awọn ilana Iṣiṣẹ
4.1 Iṣakoso Pariview
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.
- Titan/Apapa: Press and hold the multi-function button (usually the center button) for 3 seconds.
- Ṣiṣẹ/Daduro: Kukuru tẹ bọtini iṣẹ-ọpọlọpọ.
- Iwọn didun Up: Tẹ bọtini '+'.
- Iwọn didun isalẹ: Tẹ bọtini '-'.
- Orin t’okan: Tẹ mọlẹ bọtini '+'.
- Tẹlẹ Orin: Tẹ mọlẹ bọtini '-'.
- Idahun/Ipe Ipari: Short press the multi-function button during an incoming call.
- Kọ Ipe: Tẹ mọlẹ bọtini iṣẹ-ọpọlọpọ nigba ipe ti nwọle.
- Mu Oluranlọwọ Ohun ṣiṣẹ: Double-tẹ awọn olona-iṣẹ bọtini.
4.2 ComfortZone Adjustment
The unique ComfortZone system allows you to adjust the temporal pad pressure for a personalized fit.
- Locate the "ComfortZone" slider on the temporal pads.
- Slide towards "FIRM" for increased pressure and a more secure fit.
- Slide towards "LIGHT" for reduced pressure and a more relaxed fit.

Figure 4.2: Adjusting the ComfortZone slider for optimal fit.
4.3 Fífi ìtẹ̀síwájú sílẹ̀ fún gbígbé
The Porta Pro Wireless 2.0 features a unique collapsible design for easy storage and transport in its included soft shell carrying case.
- Gently fold the earcups inwards towards the headband.
- The headphones will collapse into a compact form factor.
- 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. Itọju
Proper care and maintenance will extend the life of your Koss Porta Pro Wireless 2.0 headphones.
- Ninu: Lo aṣọ rírọrùn tí ó gbẹ láti nu àwọn ìgò etí àti ìbòrí orí. Yẹra fún lílo àwọn kẹ́míkà líle tàbí àwọn ohun èlò ìpalára.
- Ibi ipamọ: When not in use, store the headphones in their provided soft shell carrying case to protect them from dust, dirt, and physical damage.
- Yago fun Ọrinrin: Do not expose the headphones to excessive moisture or liquids. They are not waterproof.
- Iwọn otutu: Avoid storing or using the headphones in extreme temperatures (very hot or very cold).
6. Laasigbotitusita
Tí o bá ní ìṣòro pẹ̀lú agbekọri rẹ, gbìyànjú àwọn ìdáhùn wọ̀nyí:
| Isoro | Owun to le Fa | Ojutu |
|---|---|---|
| Awọn agbekọri ko ṣiṣẹ. | Batiri kekere. | Gba agbara si awọn agbekọri nipa lilo okun USB-C ti a pese. |
| Ko le so pọ nipasẹ Bluetooth. | Àwọn agbekọri kò sí ní ipò ìsopọ̀; Bluetooth ẹ̀rọ ti pa; ìdènà. | Ensure headphones are in pairing mode (flashing LED). Turn device Bluetooth off and on. Move closer to the device. Forget device on your phone and re-pair. |
| Ko si ohun lati olokun. | Volume too low; not connected; incorrect audio source. | Increase headphone and device volume. Verify Bluetooth connection or wired connection. Check audio output settings on your device. |
| Didara ohun ko dara. | Alailagbara Bluetooth; ohun ohun file didara. | Move closer to your Bluetooth device. Try a different audio file or streaming service. Ensure no physical obstructions. |
7. Awọn pato
| Ẹya ara ẹrọ | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Orukọ awoṣe | Porta Pro Wireless 2.0 |
| Asopọmọra Technology | Bluetooth |
| Imọ-ẹrọ Ibaraẹnisọrọ Alailowaya | Bluetooth 5.2 |
| Bluetooth Ibiti | 10 Mita |
| Iwọn Igbohunsafẹfẹ | 15-25,000 Hz |
| Ifamọ | 101 dB |
| Ipalara | 60 ohm |
| Igbesi aye batiri | 20+ wakati |
| Gbigba agbara Port | USB-C |
| Awọn agbekọri Jack | 3.5 mm Jack (via included cable) |
| Iṣakoso Iru | Titari Bọtini |
| Ohun elo | Ṣiṣu, Irin |
| Iwọn Nkan | 6.7 iwon |
| UPC | 021299197677 |
8. Atilẹyin ọja ati 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.
Koss Osise Webojula: www.koss.com
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