Detailed comparison and review of Pioneer DJ HDJ-X7 and Poly Blackwire 3225 (3300 Series). With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Pioneer DJ HDJ-X7 | Poly Blackwire 3225 (3300 Series) |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 3300 Series | |
| Height | - | 17.8 cm | |
| Width | - | 15.5 cm | |
| Depth | - | 3.2 cm | |
| Weight | 312 g | 64 g | Poly Blackwire 3225 (3300 Series) are lighter than Pioneer DJ HDJ-X7 headphones. |
| Colour | Silver | Black | |
| Earpad Material | Leather, polyurethane | Artificial leather | |
| Headband Material | Leather, polyurethane | - | |
| Design | DJ | - | |
| Recommended Use | Professional audio | Computer |
| SOUND QUALITY | Pioneer DJ HDJ-X7 | Poly Blackwire 3225 (3300 Series) |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | Yes | |
| Foldable | Yes | - | Pioneer DJ HDJ-X7 can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire 3225 (3300 Series) are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 30000 Hz | - | |
| Max Input Power | 3500 mW | - | |
| Sensitivity | - | 90 dB | |
| Impedance | 36 Ohm | 32 Ohm | |
| Max Sound Pressure | 102 dB | - | |
| Diaphragm | 50 mm | 28 mm | Pioneer DJ HDJ-X7 have a thicker diaphragm than Poly Blackwire 3225 (3300 Series). |
| Features | - | Digital signal processing, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Pioneer DJ HDJ-X7 | Poly Blackwire 3225 (3300 Series) |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dBV/Pascal |
| REMOTE CONTROL | Pioneer DJ HDJ-X7 | Poly Blackwire 3225 (3300 Series) |
|---|
| Controls | - | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Pioneer DJ HDJ-X7 | Poly Blackwire 3225 (3300 Series) |
|---|
| Cable Type | Headphones cable - detachable - coiled - 3 m Headphones cable - detachable - 1.6 m |
USB-A cable | |
|---|---|---|---|
| Detachable Cable | Yes | - |
| CONNECTIONS | Pioneer DJ HDJ-X7 | Poly Blackwire 3225 (3300 Series) |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Pioneer DJ HDJ-X7 | Poly Blackwire 3225 (3300 Series) |
|---|
| Included Accessories | Carrying pouch, 3.5 mm to 6.3 mm adapter | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 | |
| Compliant Standards | MIL-STD 810G | - | |
| Service & Support | Limited warranty - 2 years | - |
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