---
product_id: 509545979
title: "HD 660S2 - Audiophile Open-Back Over Ear Headphones Wired with Deep Bass Extension and Refined Acoustic Performance for PC, Music, Gaming, Podcasts, Premium Black"
brand: "sennheiser"
price: "B/.1392"
currency: PAB
in_stock: true
category: "Sennheiser"
url: https://www.desertcart.com.pa/products/509545979-hd-660s2-audiophile-open-back-over-ear-headphones-wired-deep
store_origin: PA
region: Panama
---

# Lightweight 260g design 42mm dynamic drivers 8 Hz - 41,500 Hz frequency range HD 660S2 - Audiophile Open-Back Over Ear Headphones Wired with Deep Bass Extension and Refined Acoustic Performance for PC, Music, Gaming, Podcasts, Premium Black

**Brand:** sennheiser
**Price:** B/.1392
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your audio game — don’t just listen, live the sound.

## Quick Answers

- **What is this?** HD 660S2 - Audiophile Open-Back Over Ear Headphones Wired with Deep Bass Extension and Refined Acoustic Performance for PC, Music, Gaming, Podcasts, Premium Black by sennheiser
- **How much does it cost?** B/.1392 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/509545979-hd-660s2-audiophile-open-back-over-ear-headphones-wired-deep)

## Best For

- sennheiser enthusiasts

## Why This Product

- Trusted sennheiser brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-Day Comfort:** Breathable plush ear cushions and lightweight build ensure fatigue-free listening during your longest sessions.
- • **Versatile Connectivity:** Includes detachable cables and adapters for seamless use with PCs, audio interfaces, and high-end setups.
- • **Audiophile-Grade Clarity:** Experience pristine highs and deep sub-bass with ultra-light aluminum voice coils for studio-level sound precision.
- • **Immersive Open-Back Design:** Feel the spacious soundstage that keeps you connected to every note, perfect for gaming, podcasts, and music marathons.
- • **Premium German-Irish Craftsmanship:** Engineered with durable, elegant materials for a sleek look and long-lasting performance that matches your professional style.

## Overview

The Sennheiser HD 660S2 are premium open-back over-ear headphones featuring 42mm dynamic drivers and an ultra-wide frequency response (8 Hz to 41,500 Hz). Designed for audiophiles and professionals, they deliver detailed highs, rich mids, and deep bass with a lightweight 260g build and breathable ear cushions for extended comfort. Crafted in Germany and Ireland, these wired headphones come with detachable cables and adapters, making them ideal for music, gaming, and podcasting with studio-quality sound.

## Description

Experience natural, relaxed high-fidelity sound with extra sub-bass. Ultra-light aluminum voice coil, optimized airflow, and plush comfort for long listening.

## Features

- Audiophile-Grade Open-Back Sound: These Sennheiser over-ear headphones provide a natural, high-fidelity sound with a spacious soundstage, great for immersive music experiences and long listening sessions
- Precise Highs & Deep Sub-Bass: Sennheiser wired headphones over ear with ultra-light aluminum voice coil and 42mm transducers deliver detailed highs, rich mids, and deep, controlled bass. Over-ear fit headphone, great for gamers, professionals, podcasters
- Powerful Low-End Performance: These wired over ear headphones let you feel every note from piano lows (27.5 Hz) to bass drums (45-60 Hz) with clarity & precision, whether it is gaming headphones for gaming sessions, listening to music, or for desktop use
- Comfort: Open-back design with breathable, plush ear cushions ensures fatigue-free listening during long sessions, making the Sennheiser wired and comfortable open-back over-ear headphones that can work for music listeners or as gaming headsets
- Premium Build Quality: Sennheiser audiophile over the ear headphones are crafted with high-quality materials in Germany & Ireland for durability, elegance, & long-lasting performance for music lovers, travelers, and professionals

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BT7XXYTB |
| Age Range Description | Adult |
| Antenna Location | music |
| Audio Driver Size | 42 Millimetres |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | 2,844 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 34 in Studio Headphones |
| Box Contents | 4.4 mm cable (1.8 m), 6.3 mm cable (1.8 m), 6.3mm to 3.5mm adapter, HD 660S2 headphones, Protective Case |
| Brand Name | Sennheiser |
| Cable Features | Detachable |
| Carrying Case Color | Black |
| Carrying Case Material | Breathable fabric or soft material |
| Colour | Black |
| Compatible Devices | Devices with 6.35 mm audio input or adapter compatibility |
| Control Method | Touch |
| Control Type | Touch Control |
| Customer Package Type | FFP |
| Customer Reviews | 4.3 4.3 out of 5 stars (653) |
| Earpiece Shape | Over-ear cups |
| Enclosure Material | Aluminium |
| External Testing Certification | Não aplicável |
| Frequency Response | 41500 Hz |
| Global Trade Identification Number | 00810091270370, 04260752330374 |
| Headphone Form Factor | Over Ear |
| Headphone Jack | 6.35 mm Jack |
| Headphones Ear Placement | Open Ear |
| Impedance | 300 Ohms |
| Is Autographed | No |
| Item Type Name | Over Ear Wired Headphone |
| Item Weight | 260 Grams |
| Manufacturer | Sennheiser |
| Model Name | HD 660S2 |
| Model Number | 700240 |
| Network Connectivity Technology | Wired |
| Noise Control | Sound Isolation |
| Number of Items | 1 |
| Product Features | Fast Charging |
| Product Warranty | 2 year manufacturer |
| Sensitivity | 104 dB |
| Series Number | 660 |
| Specific Uses For Product | Music |
| Style Name | HD 660S2 |
| Theme | Music |
| UPC | 810091270370 |
| Unit Count | 1.0 count |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology Type | Kopfhörer mit Kabel |

## Product Details

- **Brand:** Sennheiser
- **Colour:** Black
- **Ear placement:** Open Ear
- **Form factor:** Over Ear
- **Frequency response:** 41500 Hz
- **Headphone jack:** 6.35 mm Jack
- **Impedance:** 300 Ohms
- **Model name:** HD 660S2
- **Noise control:** Sound Isolation
- **Sensitivity:** 104 dB

## Images

![HD 660S2 - Audiophile Open-Back Over Ear Headphones Wired with Deep Bass Extension and Refined Acoustic Performance for PC, Music, Gaming, Podcasts, Premium Black - Image 1](https://m.media-amazon.com/images/I/81EVN1kWYjL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: That 300 ohm impedence frightens me. i have ak sr25 mk2 music player i assume ok but i want to listen to movies from hifi amplifier, are both ok?**
A: I’m not sure ….. I listen through a modestly-priced iFi dac & headphone amp and they don’t struggle at all for power 👍🙂

**Q: Fast charging ? As per spec.**
A: These headphones don't have batteries, so there's no fast charging (or any other kind of charging).

## Frequently Bought Together

- Sennheiser HD 660S2 Wired Audiophile Stereo Headphones with Deep Sub Bass, Optimized Surround, Transducer Airflow, Vented Magnet System and Voice Coil – Black
- FIIO K11 Desktop 1400W Power Balanced Headphone DAC & Amplifier 384kHz/24Bit DSD256 for Home Audio/PC 6.35mm/4.4mm/RCA/Coaxial/Optical (Black)
- NewFantasia 4.4mm Balanced Male 6N OCC Copper Silver Plated Cord 4.4mm Balanced Cable Compatible with Sennheiser HD650, HD600, HD580, HD660S, HD58X, Massdrop HD6XX Headphone Walnut Wood Shell

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**Shop now:** [https://www.desertcart.com.pa/products/509545979-hd-660s2-audiophile-open-back-over-ear-headphones-wired-deep](https://www.desertcart.com.pa/products/509545979-hd-660s2-audiophile-open-back-over-ear-headphones-wired-deep)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-10-06*