Sony MDR 1000X vs. Poly Blackwire 3325

Headphones Comparison, Reviews and Tests

Side by side comparison and review of Sony MDR 1000X and Poly Blackwire 3325. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.

Headphones Specifications Comparison

Sony MDR 1000X vs. Poly Blackwire 3325 Comparison Chart
DESIGN AND DIMENSIONS Sony MDR 1000X Poly Blackwire 3325
Product Type Headphones - Bluetooth - wireless - NFC Headset - wired - USB, 3.5 mm jack
Series - 3300 Series
Height - 18.6 cm
Width - 21.6 cm
Depth - 5.6 cm
Weight 275 g 130 g Poly Blackwire 3325 are lighter than Sony MDR 1000X headphones.
Colour Black | Beige -
Earpad Material - Leatherette
Protection - Hearing protection
Recommended Use Portable electronics -
Bluetooth Range (Operating Distance) 10 m -
SOUND QUALITY Sony MDR 1000X Poly Blackwire 3325
Headphones Form Factor Full size On-ear
Headphones Technology Dynamic -
Ear Cups Type Closed -
Adjustable Headband - Yes
Foldable Yes - Sony MDR 1000X can be folded.
Connectivity Technology Wireless Wired
Wireless Technology Bluetooth -
Bluetooth Version Bluetooth 4.1 -
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Low Complexity Subband Coding (SBC) -
Active Noise Cancelling Yes - Sony MDR 1000X are equipped with active noice cancellation.
Sound Output Mode Stereo Stereo
Frequency Response 4 - 40000 Hz 20 - 20000 Hz Sony MDR 1000X offer a larger frequency range than Poly Blackwire 3325.
Sensitivity 103 dB/mW 94 dB Sony MDR 1000X have higher sensitivity than Poly Blackwire 3325.
Impedance 46 Ohm 32 Ohm
Diaphragm Liquid crystal polymer - 40 mm 32 mm Sony MDR 1000X have a thicker diaphragm than Poly Blackwire 3325.
Magnet Material Neodymium -
Features - SoundGuard Technology
In-Cord Volume Control - Yes
MICROPHONE Sony MDR 1000X Poly Blackwire 3325
Type - Boom
Noise Cancelling - Yes Poly Blackwire 3325 microphone can cancel out ambient noise.
Frequency Response - 100 - 10000 Hz
Sensitivity - -38 dB
REMOTE CONTROL Sony MDR 1000X Poly Blackwire 3325
Controls Volume control Mute, volume, answer/end
CABLE Sony MDR 1000X Poly Blackwire 3325
Cable Type Headphones cable - detachable - L shaped - 1.5 m Headset cable
Cable Length 1.5 m -
Detachable Cable Yes -
Plated Connector Gold -
BATTERY AND CHARGING Sony MDR 1000X Poly Blackwire 3325
Battery Type Headphone battery rechargeable - Lithium Ion -
Battery Life 20 hours -
Standby Time 34 hours -
Charging Time 4 hours -
WIRELESS LINK Sony MDR 1000X Poly Blackwire 3325
Transmission Range 10 m -
Modulation Type FHSS -
Radio Frequency Range 2.4 - 2.4835GHz -
CONNECTIONS Sony MDR 1000X Poly Blackwire 3325
Connector Type Bluetooth
USB
Headphones (mini-phone stereo 3.5 mm)
USB (4 PIN USB Type A)
Headset (mini-phone 3.5mm)
OTHERS Sony MDR 1000X Poly Blackwire 3325
Included Accessories Carrying case, USB cable, in-flight plug adapter Carrying pouch
Software Certification - Certified for Microsoft Teams
Service & Support - Limited warranty - 2 years
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