Bang & Olufsen Beoplay E4 vs. Poly Savi 8240-M D2

Headphones Comparison, Reviews and Tests

In depth comparison and review of Bang & Olufsen Beoplay E4 and Poly Savi 8240-M D2. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.

Headphones Specifications Comparison

Bang & Olufsen Beoplay E4 vs. Poly Savi 8240-M D2 Comparison Chart
DESIGN AND DIMENSIONS Bang & Olufsen Beoplay E4 Poly Savi 8240-M D2
Product Type Earphones - wired - 3.5 mm jack Headset
Weight 50 g -
Colour Black -
Body Material Stainless steel, rubber, polymer -
Recommended Use Portable electronics -
SOUND QUALITY Bang & Olufsen Beoplay E4 Poly Savi 8240-M D2
Headphones Form Factor In-ear -
Headphones Technology Dynamic -
Connectivity Technology Wired -
Active Noise Cancelling Yes - Bang & Olufsen Beoplay E4 are equipped with active noice cancellation.
Sound Output Mode Stereo -
Frequency Response 20 - 16000 Hz -
Diaphragm 10.8 mm -
MICROPHONE Bang & Olufsen Beoplay E4 Poly Savi 8240-M D2
Type On-cable -
CABLE Bang & Olufsen Beoplay E4 Poly Savi 8240-M D2
Cable Type Headphones cable - 1.3 m -
Cable Length 1.3 m -
BATTERY AND CHARGING Bang & Olufsen Beoplay E4 Poly Savi 8240-M D2
Battery Type Headphone battery rechargeable - Lithium Ion -
Battery Capacity 350 mAh -
Battery Life 20 hours -
Charging Time 2.5 hours -
CONNECTIONS Bang & Olufsen Beoplay E4 Poly Savi 8240-M D2
Connector Type Headphones (mini-phone stereo 3.5 mm 4-pole) -
OTHERS Bang & Olufsen Beoplay E4 Poly Savi 8240-M D2
Included Accessories Carrying pouch, airplane adapter, USB charging cable, 4 pairs of silicone ear tips (extra small, small, medium, large), Comply T200 ear tips -
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