Sennheiser MOMENTUM Free vs. Erato RIO 3

Headphones Comparison, Reviews and Tests

In depth comparison and review of Sennheiser MOMENTUM Free and Erato RIO 3. 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

Sennheiser MOMENTUM Free vs. Erato RIO 3 Comparison Chart
DESIGN AND DIMENSIONS Sennheiser MOMENTUM Free Erato RIO 3
Product Type Earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Height - 4.6 cm
Width - 5.1 cm
Depth - 3.4 cm
Weight 40 g 14 g Erato RIO 3 are lighter than Sennheiser MOMENTUM Free headphones.
Colour Black, red Yellow | Black | Turquoise | Green | Red | Silver
Earpad Material Stainless steel -
Protection - Sweat-resistant, IPX5, water-resistant
Recommended Use Portable electronics Portable electronics
Bluetooth Range (Operating Distance) 10 m 10 m The maximum operating distance of both headphones is the same.
SOUND QUALITY Sennheiser MOMENTUM Free Erato RIO 3
Headphones Form Factor In-ear In-ear
Headphones Technology Dynamic -
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 4.2 Bluetooth 4.2 Both headphones have the same Bluetooth version.
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Bluetooth Audio Codec SBC, AAC, aptX, apt-X LL SBC, AAC, aptX
Sound Output Mode Stereo Stereo
Frequency Response 15 - 22000 Hz 20 - 20000 Hz Sennheiser MOMENTUM Free offer a larger frequency range than Erato RIO 3.
Total Harmonic Distortion (THD) <0.5% -
Sensitivity 118 dB 100 dB Sennheiser MOMENTUM Free have higher sensitivity than Erato RIO 3.
Impedance 28 Ohm 32 Ohm
Max Sound Pressure 112 dB -
Diaphragm - 14.2 mm
Simultaneously Connectable Devices Qty (Multipoint) 2 - Sennheiser MOMENTUM Free have the ability to connect to multiple devices simultaneously.
Features Voice control -
MICROPHONE Sennheiser MOMENTUM Free Erato RIO 3
Form Factor - Built-in
Type On-cable -
Microphone Operation Mode Omni-directional Omni-directional
Sensitivity -44 dBV/Pascal -38 dB
REMOTE CONTROL Sennheiser MOMENTUM Free Erato RIO 3
Controls Volume, answer/end, next/previous track, reject call Volume, power on/off, answer/end, play/pause, next/previous track, pair mode
CABLE Sennheiser MOMENTUM Free Erato RIO 3
Cable Type USB charge cable - detachable -
BATTERY AND CHARGING Sennheiser MOMENTUM Free Erato RIO 3
Battery Type Headphone battery rechargeable - Lithium Ion Headphone battery rechargeable
Battery Capacity 86 mAh 130 mAh Erato RIO 3 have a higher battery capacity than Sennheiser MOMENTUM Free.
Battery Life 6 hour(s) 8 hour(s) Erato RIO 3 lasts longer on a single charge than the Sennheiser MOMENTUM Free.
Battery Life Details - Continuous playback: up to 6 hours
Continuous talk: up to 8 hours
Charging Time 1.5 hour(s) -
Included Qty - 2
OTHERS Sennheiser MOMENTUM Free Erato RIO 3
Included Accessories Carrying case, 4 pairs of ear tips (XS, S,M, L) -
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