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  • SPECIFICATIONS

AUDIO

BATTERY

Style: Over-Ear
Noise Reduction Rating: 27dB NNR ANSI Certified
Noise-Cancelling Type: Passive
Impedance: 32 Ohm ±15% at 1KHz
Speaker sensitivity: 107 ±3dB At 1Khz
Codec: Bluetooth® SBC Implementation & AAC
Frequency Response: 20-20,000Hz
Number of Drivers: Duel
Driver Size: Ø40mm
Driver Type: Dynamic PET
Type of Microphone: Noise Isolating, MEMES, Omni directional
Playback Time: 40 Hours*
Charging Time: 3 Hours*
Standby Time: 300 Hours*
Charging Port Type: USB-C
Type: Lithium
Battery capacity: 900mAh

*May vary dependent on usage, device & aging

MEASUREMENTS

BLUETOOTH

Dimensions: 215W x 146D x 95H mm (Unfolded)
Weight: 347g
Wireless Range: >10M
Bluetooth Version: 5.3
Frequency Band: 2.4 GHz
Codec: Bluetooth® SBC Implementation & AAC

COMPATIBLE PRODUCTS

DOCUMENTATION

Any Bluetooth enabled with HFP, HSP and A2DP.
Siri and Google Assistant Compatible.
Rampage User Guide 

 

Customer Reviews

Based on 3 reviews
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33%
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67%
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R
Roland Moss
Good performance, but has one physical issue

Good performancein in sound production. Has a quirk in operation...when music is playing, I've had to press the power button twice; the first time to stop playback, and the second long press to turn it off. No going straight to shutdown.

The one physical issue I have is that the supplied ear cushions are not "tall" or "thick" enough. My ears are placed fairly tucked in close to my head, yet after a ten hour shift of constant wear, I have a point towards the back of my ears that are sore. At first, I thought I had blistered as if alleric to the plastic, but I concluded that those points are just pressing against the plastic of the speakers for too long a time. I wish the pads are about 5 mm thicker to eliminate the pressure-induced tenderness over such a time span. I think I'll try to use some silicon weatherizing caulking to build up the height of the existing earcups.

One other factor, not important for me, but for some others, there is no incorparated microphone, so not useful to pair via Bluetooth to a walkie-talkie radio, as well as no converstaions through my phone. But as strictly enabling music strreaming from my phone at OSHA-compliant sound levels, it works well.

And lastly, I'm not a fan of the masculine voice selected during star up and shutdown. Not a dealbreaker, just something I experience mild cringe from.

C
Casey Dawson
After 3months

Long battery life and great sound. Long BT range.
Slightly uncomfortable, tight and I don't like the ear piece. Wish they were replaceable.
Overall I would give a 3.75 stars out of 5. They are definitely durable.

G
Gavin Miller
Description is deceiving I thought you could answer calls instructions/description says calls

I read the description and it said calls I own a pair of rumble original and love them these were backup and now useless if you can’t hear your phone