Wooden Shell P5 HiFi Electronic Tube Balanced Headphone Amplifier Dual-mono Design Stereo Preamplifier

Description:
- Dual-Mono Architecture: Each channel is powered by its own dedicated amplifier circuit, ensuring superior stereo separation and reduced crosstalk. Paired with a 200V high-voltage tube stage, the P5 headphone amp delivers rich, clean, and warm analog audio. This structure outperforms shared-path designs for a more immersive hi-fi listening experience.  

- Versatile Headphone Outputs: Supports both 4.4mm balanced and 6.35mm single-ended jacks, making it ideal for studio headphones and audiophile setups. With an impedance switch, you can easily adjust gain levels (5dB/15dB) to match your headphones from 16-600Ω, ensuring optimal clarity.  

- Works as a Tube Preamp: Beyond headphones, route the P5’s analog signal through RCA OUT to your desktop power amp or active speakers. Unlock rich tube harmonics and dynamic presence in your entire audio system - ideal for audiophiles and creators seeking vintage depth with modern transparency.  

- Fully Customizable Experience: Featuring plug-in NE5532 op-amps and replaceable 6A2 vacuum tubes, the P5 invites you to fine-tune your sound. Roll your tubes or swap op-amps to craft your perfect sonic signature, no soldering required.

- Premium Build with Visual Flair: Choose between a sleek full-aluminum chassis or retro walnut wood to match your style. A six-mode ambient LED system adds a visual glow synced to your music, while adjustable tube warm-up (10 - 30s) extends tube life and protects your headphones on startup.

Specification:
- Model: P5
- Audio input: AUX / RCA (Priority: AUX > RCA)
- Audio output: 4.4mm & 6.35mm headphone output / RCA (Priority: 4.4mm headphone jack > 6.35mm headphone jack > RCA)
- THD: >0.01%
- SNR: 80dB
- Gain:
  Low impedance: 5dB at 200Ω
  High impedance: 15dB at 600Ω
- RCA max. output level:
  Low impedance: 1.5Vrms
  High impedance: 5.75Vrms
- Headphone output power: 200mW at 32Ω; 80mW at 300Ω
- Matched headphone impedance: 16 - 600Ω
- Headphone impedance switch: support
- Backlight LED color: 6 modes
- Tubes warm-up time: Adjustable 10 - 30 seconds
- Input voltage: DC 9-15V/≥1A (5.5*2.5mm)
- Dimensions (WxDxH): 102 x 102 x 40mm / 4.01 x 4.01 x 1.57in
- Net weight: 310g / 0.68lb (wooden version); 420g / 0.92lb (aluminum version)

Package Included:
- 1 x Headphone Amplifier
- 1 x DC 12V Power Adapter
- 2 x 6A2 Tubes
- 1 x User Manual

Precaution:
- The enclosure of wooden version is crafted from solid walnut. Due to the natural variation in wood grain, the actual product may differ slightly in appearance from the images.
- Input and output priority is as follows: Input – AUX > RCA; Output – 4.4mm headphone jack > 6.35mm headphone jack > RCA. If there’s no sound, please check priority and unplug unused ports.
- 10-30 seconds warm-up required. It is normal for there to be no audio output during tube activation.
- High voltage inside. Please power off and disconnect P5 from the power source before replacing the op-amp or vacuum tubes.
- P5 adopts 2PCS pluggable NE5532 op-amps, which can be replaced by dual op-amps such as 4558/JRC2068/2064/MUSE01S/2111 etc.
- P5 is designed with pluggable tube sockets, default comes with 6A2 tubes, can be replaced by 5654/6*7N/6AK5/EF95/403B tubes.