Audio-Technica ATH-DSR7BT vs. Poly Blackwire 325-M

Headphones Comparison, Reviews and Tests

Side by side comparison and review of Audio-Technica ATH-DSR7BT and Poly Blackwire 325-M. 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

Audio-Technica ATH-DSR7BT vs. Poly Blackwire 325-M Comparison Chart
DESIGN AND DIMENSIONS Audio-Technica ATH-DSR7BT Poly Blackwire 325-M
Product Type Headphones - Bluetooth - wireless Headset - wired - USB, 3.5 mm jack
Series - 300 Series
Weight 300 g -
Headband Material - Metal
Bluetooth Range (Operating Distance) 10 m -
SOUND QUALITY Audio-Technica ATH-DSR7BT Poly Blackwire 325-M
Headphones Form Factor Full size On-ear
Adjustable Headband Yes -
Foldable Yes - Audio-Technica ATH-DSR7BT can be folded.
Connectivity Technology Wireless Wired
Wireless Technology Bluetooth -
Bluetooth Version Bluetooth 4.2 -
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) -
Sound Output Mode Stereo Stereo
Built-in Decoders Pure Digital Drive -
Frequency Response 5 - 40000 Hz 20 - 20000 Hz Audio-Technica ATH-DSR7BT offer a larger frequency range than Poly Blackwire 325-M.
Sensitivity 100 dB/mW -
Impedance 35 Ohm -
Diaphragm 45 mm -
Features Bluetooth aptX technology SoundGuard Technology
In-Cord Volume Control - Yes
MICROPHONE Audio-Technica ATH-DSR7BT Poly Blackwire 325-M
Form Factor Built-in -
Type - Boom
Microphone Technology Condenser -
Microphone Operation Mode Omni-directional -
Frequency Response 50 - 4000 Hz 100 - 10000 Hz Poly Blackwire 325-M offer a larger microphone frequency range than Audio-Technica ATH-DSR7BT.
Audio Input Details Omni-directional - 50 - 4000 Hz -
Sensitivity -44 dB -
REMOTE CONTROL Audio-Technica ATH-DSR7BT Poly Blackwire 325-M
Controls Volume, answer/end Mute, volume, answer/end
CABLE Audio-Technica ATH-DSR7BT Poly Blackwire 325-M
Cable Type USB charge cable - 2 m Headset cable - 2.13 m
Cable Length - 2.13 m
FEATURES Audio-Technica ATH-DSR7BT Poly Blackwire 325-M
Additional Functions - DSP
BATTERY AND CHARGING Audio-Technica ATH-DSR7BT Poly Blackwire 325-M
Battery Type Headphone battery rechargeable - lithium polymer -
Battery Life 15 hour(s) -
Standby Time 1000 hours -
Charging Time 4 hour(s) -
WIRELESS LINK Audio-Technica ATH-DSR7BT Poly Blackwire 325-M
Transmission Range 10 m -
CONNECTIONS Audio-Technica ATH-DSR7BT Poly Blackwire 325-M
Connector Type USB (power only) (5 pin Micro-USB Type B (power only)) USB (4 PIN USB Type A)
Headphones (mini-phone 3.5 mm 4-pole)
OTHERS Audio-Technica ATH-DSR7BT Poly Blackwire 325-M
Included Accessories Carrying pouch -
Service & Support Limited warranty - 2 years Limited warranty - 2 years
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