Description :
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The 40 mm drivers are standard for on-ear headphones and enable reasonable sound for everyday listening.
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The 32 Ω impedance means they don’t require a high-power amplifier; they should work fine with smartphones and tablets.
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Wireless version’s ~34 hour battery is very good for the price-tier; rapid-charge helps if you’re short on time.
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The inclusion of foldable headband and lightweight build (~153g for wireless) means they are comfortable for casual listening/travel.
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Features such as Tile™ tracking (wireless model) add convenience (you can locate your headphones if misplaced).
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In terms of sound-signature: Based on reviews of earlier Riff models (wired/wireless), the sound is described as consumer-friendly, with emphasis on bass and fun, rather than ultra-neutral or studio-accurate. For example, a review of the older Riff Wireless mentions:
Key Specifications (Wireless – Riff )
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Driver diameter: 40 mm.
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Impedance: 32 Ω.
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Frequency response: 20 Hz – 20 kHz.
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THD (Total Harmonic Distortion): < 3% at 1 kHz.
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Sound pressure level: ~94 ± 3 dB (wireless version)
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Connection: Bluetooth 5.2 (for wireless model)
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Weight: ~153 g (Riff Wireless 2)
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Battery life: ~34 hours of playback (wireless) according to official spec.
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Rapid charge: 10 minutes charge → approx. 4 hours playback.
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