Open Box Unit
Phil Jones X4 NanoBass Combo Amp (White)
The Phil Jones X4 NanoBass Combo Amp is an ultra-portable 35W desktop combo amp designed for bass, but surprisingly versatile for guitar, ukulele, violin, electronic drums, and practice setups. Despite its tiny footprint, the X4 focuses on clarity and full-range response using Phil Jones’ proprietary NeoPower speaker technology. At just 5.3 lbs, it’s built for portability without sacrificing tone.
Key Features
- 35W Digital Amplifier with DSP: Delivers clear, controlled amplification with DSP-based crossover and dynamic range control for balanced performance.
- 4" NeoPower Speaker: Custom N52 Neo-Power 4-inch driver designed for full-range clarity and detailed low-end response.
- 3-Band EQ: Flexible tone shaping with bass, mid, and treble controls for adapting to different instruments and styles.
- Bluetooth 5.0 (aptX HD): Stream backing tracks or music wirelessly in high quality for practice or casual listening.
- Aux Input & Headphone Output: Great for silent practice, drum machines, smartphones, tablets, or jam tracks.
Specs
- Power Output: 35 Watts
- Amplifier Type: Digital with DSP
- Speaker: 1 × 4" N52 Neo-Power driver
- Frequency Response: 72Hz – 15kHz
- EQ:
- Bass Shelf: 100Hz ±15dB
- Mid: 1kHz bandwidth (120Hz–10kHz) ±15dB
- Treble Shelf: 10kHz ±15dB
- Inputs: AUX In, Bluetooth 5.0 (aptX HD)
- Output: Headphone Out
- Power: Universal AC (100–240V)
- Dimensions: 6.3" × 7.9" × 7.8"
- Weight: 5.3 lbs
- Color: White
What It’s Good For
The X4 makes the most sense as a practice amp, desktop amp, travel amp, backstage warm-up rig, or small-room solution. For bass, it’s surprisingly articulate and hi-fi sounding rather than colored or vintage. Since you play bass, this could be a really practical apartment or songwriting amp—small enough for your room, quiet practice with headphones, and Bluetooth for playing along to tracks. Just don’t expect rehearsal volume with a drummer; 35W + a single 4" speaker is about portability and accuracy, not raw loudness.
This product has been unboxed and opened. It is in near-mint condition and show virtually no signs of use. It comes with all the original accessories and packing. This is a final sale but includes the manufacturer’s full warranty.
