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iBasso PB6 Macaw Portable Tube Amplifier
The iBasso PB6 Macaw is a high performance portable headphone amplifier designed for audiophiles who want the richness of tube sound combined with powerful output and flexible tuning options. Featuring four military grade JAN6418 tubes and a fully balanced architecture, the PB6 delivers a warm, dynamic, and highly immersive listening experience.
With dual output modes, advanced power design, and desktop level performance, it stands as one of the most powerful portable tube amplifiers available.
Features
- High Output Power Headphone Amp
- Powered by four Military-Grade JAN6418 Tubes
- Supports both Tube and Class AB output modes for different flavours
- 22.5V high-voltage drive
- Supports 12V DC-IN external power supply
- High output up to 2300mW + 2300mW @ 32Ω
- 3.5mm single-ended + 4.4mm balanced input/output
- Perfectly matched 4-channel output
- Desktop-grade performance
Four Tube Design for Rich and Natural Sound
The PB6 uses four JAN6418 vacuum tubes arranged in a fully balanced configuration. This design produces a warm, natural, and expressive sound with smooth mids, rich harmonics, and excellent musicality.
Each tube is carefully matched to ensure consistent performance and accurate channel balance.
Dual Output Modes for Flexible Sound Signature
The PB6 offers two different output modes
Tube mode delivers a warm, smooth, and analog style sound
Class AB mode provides higher resolution, stronger dynamics, and cleaner output
This allows users to switch between different sound profiles based on their preference.
Powerful Output for Demanding Headphones
With output power reaching up to 2300mW per channel at 32 ohms, the PB6 can easily drive full size headphones. When connected to an external 12V power supply, it unlocks its full performance potential.
Advanced Power System for Clean Performance
The PB6 uses a high voltage battery system combined with efficient power management. This reduces noise and ensures stable power delivery, resulting in a cleaner and more dynamic sound.
Precision Volume Control for Accurate Listening
The built in NJW1195A volume control chip allows fine adjustments in 0.5dB steps. This ensures precise volume control with perfect channel balance and reduced background noise.
Customizable Sound with Bandwidth Selection
Users can choose between high bandwidth mode for better detail and fast transients or low bandwidth mode for a smoother and warmer presentation. This adds flexibility to tailor the listening experience.
Reduced Microphonics with Advanced Damping
The tubes are suspended using PORON damping material to minimize vibration and microphonic effects. Additional shielding helps reduce external interference for stable performance.
Versatile Connectivity Options
The PB6 supports both 3.5mm and 4.4mm inputs and outputs. This allows it to work with a wide range of audio sources and headphones, including converting single ended input to balanced output.
Technical Highlights
- Output power up to 2300mW plus 2300mW at 32 ohms
- High voltage 22.5V tube drive
- Fully balanced 4 channel design
- Dual mode tube and Class AB amplification
- External 12V DC input support
What is Included
- iBasso PB6 Macaw amplifier
- Audio cables
- USB cable
- Charging cable
- Soft carrying case
- Quick start guide
Who This Is For
- Audiophiles seeking powerful portable tube amplification
- Users with high end headphones requiring strong output
- Music lovers wanting customizable sound profiles
- Anyone upgrading to flagship level portable amplification
Experience True Tube Power Anywhere
The iBasso PB6 Macaw combines classic tube warmth with modern engineering to deliver exceptional performance in a portable format. With its powerful output, flexible sound modes, and premium design, it is the perfect companion for serious audio enthusiasts.







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