# Koss Porta Pro On-Ear Headphones | Deep Bass, 60 Ohm Impedance, 15-25kHz Frequency Response **Brand:** Koss **SKU:** btj7987 **ASIN:** B0755N6CSR **Canonical URL:** https://crowcrowcrow.com/p/koss-porta-black-on-ear-headphones-retro-style-collapsible-design-case-included/btj7987 **Category:** electronics **Subcategory:** Categories **Availability:** in_stock **Price (INR, all-inclusive):** ₹6,556 **Discount:** 20% **Customer rating:** 4.60/5 from 17,304 ratings ## Description Koss Porta Pro on-ear headphones deliver deep bass and clear sound with a 60-ohm impedance. Imported from USA, these retro-style headphones feature a collapsible design and included case. Enjoy comfortable, secure fit for personal audio listening. ## Highlights - Deep Bass Performance — Experience rich, deep bass thanks to dynamic drivers and oxygen-free copper voice coils, ideal for bass-heavy music genres. Enjoy superior sound clarity for your personal listening. - Comfortable & Secure Fit — Adjustable headband and multi-pivoting ear plates with temporal-comfort zone pads shift pressure for a perfectly balanced, secure fit, reducing listener fatigue during long sessions. - Maximum Portability — Collapsible design allows for easy storage and maximum portability. Includes a convenient, protective carrying case, making them perfect for on-the-go listening without damage. - Wide Device Compatibility — Features a standard 3.5mm stereo jack, ensuring broad compatibility with most personal audio devices, including Android and iOS smartphones and other wired audio sources. ## Key features - Designed for Deep bass performance - Comfortable, secure fit with adjustable headband and multi-pivoting ear plates - Two adjustable temporal-comfort zone pads shift the pressure and perfectly balance the ear plates on your ear - Collapsible for maximum portability, includes carrying case - Connector Type: 1 x headphones (mini-phone stereo 3.5 mm).Frequency Response - 20-17,000 Hz and Impedance - 16 ohms.Frequency Response - 15-25,000 Hz and impedence of 60ohms​. ## Why choose this product **Iconic Sound & Comfort** — The Koss Porta Pro headphones are legendary for their deep bass and clear sound, a signature that has endured for decades. Designed for comfort, the adjustable headband and temporal-comfort zone pads ensure a secure, balanced fit, even during extended listening. Unlike many modern headphones that prioritize isolation, the Porta Pro offers an open, engaging soundstage perfect for enjoying music at home or on the move. Imported directly from authorized US retailers, these headphones guarantee authentic performance and build quality, a distinct advantage over generic local options. **Who It's For vs. Who Should Skip** — These headphones are perfect for music enthusiasts who appreciate a strong bass response and a comfortable, open-ear design. They are ideal for casual listening, home use, or anyone seeking a retro aesthetic with modern sound clarity. If you require active noise cancellation for noisy environments or prefer a completely sealed in-ear fit, these on-ear headphones may not be the best choice. For those seeking a wired, reliable audio companion with a classic feel, the Koss Porta Pro is an excellent option. ## How to use 1. Plug the 3.5mm stereo jack firmly into the headphone port of your smartphone, tablet, or audio player. Ensure a secure connection for optimal sound quality and bass response. — Connect to Your Device 2. Place the ear cups over your ears. Adjust the headband and the temporal-comfort zone pads to achieve a secure, balanced fit that feels comfortable and stable for extended listening. — Adjust for Comfort 3. Select your music or audio content and press play on your device. Adjust the volume as needed. The 60-ohm impedance ensures efficient sound output suitable for most personal audio devices. — Play Your Music 4. When finished, carefully fold the headphones into their collapsible design. Store them securely in the included carrying case to protect them from damage during transport or storage. — Store for Portability ## Product details | Field | Value | |---|---| | Driver Type | Dynamic Driver | | Driver Size | 30 millimeters | | Impedance | 16 ohms (primary), 60 ohms (secondary stated) | | Frequency Response | 15-25,000 Hz | | Voice Coils | Oxygen-free copper | | Noise Control | None | | Connectivity Technology | Wired | | Hardware Interface | 3.5mm Audio | | Connector Type | 3.5mm Jack | | Compatible Devices | Android, iOS | | Control Method | Touch (implied by wired controller attribute, though not primary) | | Controller Type | Wired controller | | Special Feature | Adjustable Headband | | Included Components | Protective Case | | Water Resistance Level | Water Resistant (general claim, not specific rating) | | Warranty Description | Limited lifetime warranty | | Age Range Description | Adult | | Specific Uses For Product | Personal audio listening, Outdoor use | | Recommended Uses For Product | Listen to music on wired devices, both Android and iOS, especially for bass-heavy genres | | Cost per use | 1 unit at ₹6,556 — ₹6,556 per unit | | Shelf life after opening | N/A (Durable Product) | | Contraindications | Not suitable for environments requiring active noise cancellation or complete sound isolation. | | Allergens / Common Irritants | Plastic materials (check for specific sensitivities) | | Brand | Koss | | Model Name | Porta Pro | | Model Number | Porta Pro Black | | Color | Black | | Style | On-Ear Headphone | | Headphones Form Factor | On Ear | | Headphones Ear Placement | on_ear | | Material | Plastic | | Item Weight | 2 grams | | Item Dimensions (L x W x H) | 5.6 inches x 2.5 inches x 7.2 inches (14.2 cm x 6.4 cm x 18.3 cm) | | Item Package Weight | 0.15 kilograms | | Item Package Dimensions (L x W x H) | 6.2 cm x 11.7 cm x 12.4 cm | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | ## Frequently asked questions ### How to buy original Koss Porta Pro headphones in India? Purchase original Koss Porta Pro headphones from crowcrowcrow.com, sourced directly from authorized US retailers. Each unit is factory-sealed and imported per order, with all customs duties and GST pre-paid. Your order includes a GST invoice and is shipped via ExpressBox for secure, tracked delivery across India. ### Are Koss Porta Pro headphones compatible with my Android phone? Yes, the Koss Porta Pro headphones feature a standard 3.5mm stereo jack, ensuring broad compatibility with most Android smartphones and other wired audio devices. Enjoy deep bass and clear sound without needing Bluetooth pairing. ### Can I use just one Koss Porta Pro ear cup at a time? The Koss Porta Pro headphones are designed as a stereo pair and do not support single-ear cup use. Both ear cups must be worn to function correctly and deliver the intended audio experience. ### Do Koss Porta Pro headphones have noise cancellation? No, the Koss Porta Pro headphones do not feature active noise cancellation. They are designed for an open, engaging soundstage, allowing some ambient sound to pass through for situational awareness. ### What is the impedance of Koss Porta Pro headphones? The Koss Porta Pro headphones have an impedance of 60 ohms, which allows for efficient sound reproduction and deep bass performance. This impedance level is suitable for direct connection to most personal audio devices. ### How do I clean and maintain my Koss Porta Pro headphones? Gently wipe the ear cups and headband with a soft, dry cloth. Avoid using liquids or harsh cleaning agents. Store them in the included carrying case when not in use to protect them from dust and damage. ### What is the warranty for Koss Porta Pro headphones purchased in India? Koss Porta Pro headphones purchased through crowcrowcrow.com come with the manufacturer's limited lifetime warranty. This covers defects in materials and workmanship under normal use. For any warranty claims, please contact our customer support. ### How long will the Koss Porta Pro headphones last? With their durable construction and a limited lifetime warranty, the Koss Porta Pro headphones are built for long-term use. Proper care, including using the included carrying case, will help ensure their longevity for years of listening enjoyment. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B0755N6CSR-0.webp 2. https://images.crowcrowcrow.com/B0755N6CSR-3.webp 3. https://images.crowcrowcrow.com/B0755N6CSR-6.webp 4. https://images.crowcrowcrow.com/B0755N6CSR-9.webp 5. https://images.crowcrowcrow.com/B0755N6CSR-12.webp 6. https://images.crowcrowcrow.com/B0755N6CSR-15.webp --- Source: https://crowcrowcrow.com/p/koss-porta-black-on-ear-headphones-retro-style-collapsible-design-case-included/btj7987 Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 13-16 days. Prices are all-inclusive (duties + GST).