[🎶SG] NF AUDIO RA15 Dual Cavity Dynamic Driver In-Ear Earphone

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NF AUDIO RA15 
Dual Cavity Dynamic Driver In-Ear Earphone

> Double Sound Tube | "Warm" & "Bright"
> Tesla Level Dual Magnetic Circuit
> Dual Cavity Design
> 5U High Polymer Composite Diaphragm
> 25dB Passive Noise Reduction

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Descriptions:

> Interpreting Musical Emotions, Tone Matters
> The warmth and brightness of sound bring completely different
emotional experiences, and these experiences cater to different musical styles. These emotional experiences are what music enthusiasts truly value. Starting from the aspect of "tone," RA15Js two sound tubes achieve high completion in different tonalities through precise subjective tuning. Simple replacement makes the music more enchanting.

> Tone Quality
> Optimized for music appreciation, featuring dual cavity electronic
tuning dynamic driver units with high dynamics, large output, and a frequency range of 10-40kHz. Grand soundstage and passionate tone.

> Comfort
> New ergonomic design of the R series, comfortable to wear for long periods of time.

> Wire
> Transparent 5N oxygen free copper silver-plated cable, excellent texture, and superior sound quality.

> Material
> All-metal cast shell, with replaceable sound tubes in brass/stainless steel.

> Silicone Tips
> NF Audio MS42 high-quality silicone tips, comfortable and better sounding.

> PACKAGING
> New record-style gift box design, perfect for both gifting and personal use.

> Intergrated Tuning Circuit
> Circuit tuning brings more possibilities for dynamic driver. MC2L-10M uses a higher precision integrated tuning PCB board which is more stable and reliable, and better timbre.

> Tesla Level Dual Magnetic Circuit
> Magnetism is the power source of dynamic driver. MC2L-10M unit uses dual magnetic circuit design. Two high-performance NIB magnets provide more than 1 Tesla of magnetic flux, thus providing greater driving force, higher sensitivity, and better dynamic and transient performance.

> Dual Cavity Design
> Traditional dynamic driver only has a rear cavity. On this basis, MC2L-10M adds an additional rear cavity, which can control the air pressure more precisely, make the diaphragm move more smoothly, while the sound field is grander and richer sound details.

> 5U High Polymer Composite Diaphragm
> Different from the popular high rigid diaphragm in the market, MC2L-10M adopts a kind of light, medium rigidity, and good elasticity polymer composite diaphragm from the sound. With the well-designed lines, it can get lower distortion and better performance of music.

> Derived from Stage Tuning Technology
> Higher Completion of the "Replaceable Tuning Sound Tubes Design"
> Replaceable sound tube technology is not rare, but merely changing the sound tube damping can disrupt the overall tonal balance and affect the listening experience. Achieving two "high completion" sounds is no easy feat.
> Our technical team, under the premise of excellent objective parameters, through extensive subjective listening, adjusts the material, structure, damping material, and other aspects of the two sound tubes. Finally, we adopted 'brass" and J'stainless steel" sound tubes to achieve high completion "warm" and 'bright" tones with better musical adaptability.
> Four air pressure control dampers better adjust the air pressure balance between the front and rear cavities. Circuit & physical tuning precisely controls the tone of each frequency band, achieving a more stable tonal foundation. The meticulously designed internal acoustic structure combined with the metal reflection cavity brings more powerful sound performance.

> All-Metal, New Design
> Outstanding in Both Aesthetics and Acoustics
> The RA15 follows NF Audio's design and ergonomic principles based on the shape of the human ear. The new appearance design, family-style pick modeling panel, and matte surface treatment create an acoustic cavity that highlights quality. The metal cavity created by alloy casting technology excels in both aesthetics and acoustics.

> Eergonomic Design
> Deconstruction and Reconstruction of Spatial Geometric Relationships in Human Ear Modeling
> Wearing comfort is an important factor in whether the earphones can be used for a long time. Relying on many years of experience in manufacturing customized earphones, NF Audio have developed a complete set of ergonomic rules, including the angle of the ear canal, the angle of the cavity and the angle of the wire, etc, to make full use of the structural shape of the human ear to support and reduce the pressure of wearing.

> 0.78mm 2Pin
> Replaceable Cable Design Switch Freely Between Different Scenarios
> The usage scenarios of earphones for computers, mobile phones, and professional equipment are different. The replaceable cable design brings more possibilities for earphone usage scenarios. Equipped with a 3.5mm plug and a 1.3m 5N oxygen-free copper silver-plated cable, it is more suitable for use with music players and other devices with a 3.5mm earphone connector. If there are other needs, whether it is the length of the cable or the type of plug, it can be realized by using NF Audio official accessories.

> Silicone tips not only affect the wearing comfort, but also the sound performance. The product comes standard with XS, S, M, L a total of 4 pairs of NF Audio MS42 high-quality silicone tips, outside30 degrees inside 40 degrees of silicone, balanced softness and stiffness, bayonet structure design, firm and not easy to fall off; precision acoustic structure, sound more durable.

> 25dB Passive Noise Reduction
> When you enjoy musici you don't want to be disturbed by the surroundings. The RA15 offers up to 25dB of passive noise reductioni allowing you to hear every note clearly even in noisy environments with an appropriate volume. Make any place your exclusive stage with ease.

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Specifications:

> Dimensions: 150*132*50
> Weight: 160g
> Driver: Double Cavity Dynamic Driver
> Cable: 0.78mm 2pin 5N OFC
> Sensitivity: 108dB/mw
> Impedance: 32Ω
> Sound Insulation: 25dB
> Frequency Response Range: 10-40kHz
> Distortion: <1%
> Maximum SPL: 125dB
> Connector: 3.5mm

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