PW Audio Quickstep Balanced Amplifier
Best portable amplifier for audiophiles seeking a classic, balanced sound signature.
Experience audio excellence with the PW Audio Quickstep Balanced Amplifier, a portable powerhouse designed for discerning listeners. This amplifier revives the spirit of classic audio devices, offering a silky-smooth vocal performance and dynamic range. It features fully balanced inputs and outputs, multiple gain settings for versatile headphone matching, and precise discrete volume control. Built with four OPA209 amplifiers and housed in a durable aluminum enclosure, it ensures a high-resolution audio experience, whether powered by its internal 9V battery or an external supply.
$599.99
Owner Satisfaction
4.5
/ 5
Category Rank
400
/ 766
#400 in Headphone Amplifiers
Price vs Category Average
-57%
Below average
Power Supply Voltage
615
/ - Volts DC
Who it's for
- Design-conscious listeners who value premium build quality
- Audiophiles seeking transparent and highly detailed sound reproduction
- Owners of demanding high-impedance or planar magnetic headphones
Who should skip it
- Budget-focused buyers looking for high-value audio solutions
- Commuters needing a truly compact and portable audio setup
- Users wanting an all-in-one DAC and amplifier combination
Performance breakdown
Balanced Signal Integrity
Fully balanced architecture ensures exceptional channel separation and minimal signal interference.
Volume Precision
Discrete 31-step control offers granular adjustments for perfect listening levels.
Build Robustness
Solid aluminum enclosure provides excellent durability for demanding portable use.
Headphone Versatility
Multiple gain settings accommodate a wide range of sensitive and demanding headphones.
Sonic Character
Delivers a signature silky-smooth vocal presentation with impressive dynamic range.
Power Flexibility
Dual power options allow for convenient battery operation or stable external supply.
Key Specs
Power Supply Voltage
6-15 Volts DC
Static Current
30 mA
Volume Control
Discrete, 1.5 dB steps (31 steps)
Maximum Gain
Up to +12 dB
Frequency Range
DC..128 kHz (depending on gain setting)
Input/Output
Fully Balanced
Output Impedance
<1 Ω
Enclosure Material
Aluminum
Features
- High-resolution balanced audio playback
- Precise discrete volume control
- Multiple gain settings for headphone flexibility
- Fully balanced input and output
- Portable design with 9V battery option
- Robust aluminum construction
- Inspired by classic amplifier designs
- Advanced noise filtering
What customers say
The PW Audio Quickstep Amplifier earns high praise for its exceptional sonic purity and robust build quality. Users consistently report that this component delivers transparent power, revealing the true nature of high-end audio gear without adding noise or coloration. Key improvements noted include better soundstage depth, clearer micro-details, and tighter bass control. The construction feels premium and reliable, reflecting high manufacturing standards. While positioned at a higher price point, customers feel the significant elevation in listening quality fully justifies the cost. For serious listeners prioritizing unadulterated amplification performance, the Quickstep is celebrated as a top-tier choice for an engaging experience.
Know before you buy
The Quickstep is highly versatile thanks to its adjustable gain settings and low output impedance of less than 1 ohm. It is designed to drive a wide range of headphones, from sensitive in-ear monitors to more demanding over-ear models, while maintaining a clean, balanced signal.
Yes, the Quickstep supports external power supplies between 6V and 15V DC. This allows for continuous desktop use without relying solely on the internal 9V battery.
The amplifier uses a discrete volume control system with 31 distinct steps, each spaced at 1.5 dB intervals. This provides a more precise and balanced adjustment compared to traditional potentiometers, ensuring perfect channel matching at lower volumes.
Yes, the Quickstep features a fully balanced architecture from input to output. This design helps minimize noise and interference, resulting in a cleaner, more dynamic audio performance.
The Quickstep is built with a durable aluminum enclosure designed for portability. While it is a robust, high-performance device, its compact form factor makes it easy to integrate into a mobile audio stack.
The use of four OPA209 amplifiers is central to the device's balanced design. These components are chosen for their ability to deliver high-resolution audio with a smooth, natural sound signature that mimics the warmth of classic amplifier designs.
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