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- Portable HiFi Sound: Driven by batteries, P10-PRO features Raytheon JAN6418 direct-heating tubes to deliver rich, warm tube sound. Whether you're traveling, commuting, or relaxing at home, it pairs effortlessly with your phone, laptop, computers etc. and provides exceptional headphone performance anytime, anywhere.
- Worry-Free Battery Life: Enjoy up to 8-10 hours of uninterrupted music with two 600mAh lithium batteries. The P10-PRO supports USB-C charging, allowing you to recharge while listening. When powered off, it fully recharges in just 2.5-3 hours. With the replaceable battery design, you have the option to swap batteries for extended use.
- Customizable Tubes & Op-Amps: Unlock the true potential of P10-PRO with swappable tubes and op-amps. Start with the original JAN6418 tubes and NE5532 op-amp, then explore upgrades for more possibilities. Enjoy a personalized audiophile experience tailored to your tastes.
- Visible Top Window: Admire the mesmerizing glow of the JAN6418 tubes through the top window. See the tubes and op-amps in action, adding a touch of style to your audio setup. It not only enhances the aesthetic appeal but also offers insight into the components that shape your premium audio experience.
- Built for Durability and Convenience: Equipped with WIMA capacitors and a CNC-machined aluminum chassis, the P10-PRO is built to last. Also comes with clear battery status and thoughtful accessories including cables, rubber bands, and a screwdriver—ready for quick setup and hassle-free operation.
- Brand: Nobsound
- Model: P10-PRO
- Audio input: 3.5mm AUX
- Audio output: 3.5mm headphone jack
- Output power: 170mW@32Ω
- Frequency response: 20Hz-20KHz
- THD: <0.1%
- SNR: 75dB
- Gain: 12dB
- Max. input level: 1.0Vrms
- Max. output level: 2.5Vrms
- Matched headphone impedance: 16-200Ω
- Working mode: Vacuum tube + Op-amp hybrid
- Power supply: 2 × 14500 Li-ion batteries (3.7V, 600mAh each, total 1200mAh)
- Battery life: 8–10 hours (varies with volume level used)
- Battery indicator display: 5-level (0% / 25% / 50% / 75% / 100%)
- Working temperature: 8-50℃
- Input voltage: DC 5V/≥1A
- Dimensions (W*D*H): 120*75*18mm / 4.72*2.95*0.71in
- Package dimensions (W*D*H): 195*120*65mm / 7.68*4.72*2.56in
- Net weight: 252g / 0.55lb
- Package weight: 400g / 0.88lb
- P10-PRO Headphone Amp ×1
- 3.5mm Cable ×1
- Type-C Cable ×1
- Rubber Band ×2
- Screwdriver ×1
- User Manual ×1
User Manual of Nobsound P10 PRO
FAQs
Q: Why does the P10 make a noise when powered on/off or shocked?
A: JAN6418 are directly heated tubes. During power-on/off or physical shock/tap/vibration, a "wing~~~" noise may occur for 25-35 seconds, which is normal and will fade as the tube stabilizes.
Q: What kind of charger should I use?
A: Please use a standard 5V DC power supply. Avoid fast chargers to prevent damage.
Q: Can I replace the batteries with different brands or models?
A: No. Always use two batteries of the same brand, model, and capacity to avoid malfunctions or safety risks.
Q: Is there a temperature requirement for use?
A: 8°C to 50°C (46°F to 122°F). Avoid extreme temperatures to ensure proper charging and performance.
Q: If I won’t use the P10 for a while, should I remove the batteries?
A: Yes.
Q: Can I replace the tubes?
A: Yes. The default Raytheon JAN6418 tubes can be replaced with CK6418 or CK548DX. Remove glue from the pins before replacement.
Q: Can I upgrade the op-amp?
A: Yes. The default NE5532 can be upgraded to dual op-amps like JRC4558, JRC4556, OPA2604, OPA2111, or MUSES02.
HiFi Tube Power in Your Pocket
With long-lasting batteries, USB-C play-and-charge capability, and the classic sound of JAN6418 tubes, the P10-PRO keeps your music going wherever life takes you.