Eleven Audio Broadway S Headphone Amplifier
Best battery-powered amplifier for sensitive IEM and headphone enthusiasts.
Experience unparalleled audio purity with the Eleven Audio Broadway S, the world's first high-performance Li Ion battery discrete Class A headphone amplifier. Designed for desktop use, it delivers smooth, detailed sound free from power supply noise. This amplifier excels with low impedance or high sensitivity headphones, offering amazing low-level detail, realistic mids, and clear highs. Its Class A bias amplification provides 800 mW of smooth power, while DC coupling ensures exceptional bass resolution. With ultra-low noise and two gain settings, it's perfect for IEMs and headphones alike.
$1799.00
Owner Satisfaction
4.7
/ 5
Category Rank
53
/ 766
#53 in Headphone Amplifiers
Price vs Category Average
+29%
Above average
Frequency Response
100
/ DC- KHz
Who it's for
- Audiophiles seeking absolute transparency and musical detail
- Owners of power-hungry, high-impedance reference headphones
- Design-conscious listeners valuing premium build quality
Who should skip it
- Casual listeners shopping on a restricted budget
- Users with entry-level headphones that lack demanding power needs
- Commuters requiring a portable solution for mobile listening
Performance breakdown
Noise Floor
Battery-powered architecture eliminates power supply noise for a pitch-black background.
IEM Compatibility
Dual gain settings provide perfect control for sensitive in-ear monitors.
Bass Resolution
DC-coupled design delivers tight, articulate, and deeply extended low frequencies.
Power Delivery
Class A circuitry offers smooth, musical power for efficient desktop headphones.
Operational Versatility
Seamlessly switches between portable battery use and continuous AC power.
Build Quality
Robust chassis with high-quality Neutrik jacks ensures long-term desktop reliability.
Key Specs
Frequency Response
DC-100 KHz
Signal to noise ratio
130dB
Power
800 mW watts @ 16 ohms single-ended class A operation
Run time
Approx. 11 hours on full battery, indefinitely while connected to AC Charge adaptor
Inputs
Stereo RCA jacks
Headphone Outputs
4 pin XLR and 6.35mm (1/4") Neutrik jacks
Batteries
Replaceable 18650 x 4
AC Charge adaptor
100-240 VAC, 50-60 Hz
Features
- World's first high performance Li Ion battery discrete Class A headphone amplifier
- Ultra low noise design for pristine audio
- Class A amplification for smooth, detailed sound
- DC coupled for superior bass resolution
- Two gain settings for versatile headphone matching
- Replaceable battery system for extended use
- Built-in battery management for convenience and safety
What customers say
Customers consistently praise the Eleven Audio Broadway S Headphone Amplifier for its exceptional sound quality and robust build. Many reviewers highlight the amplifier's ability to deliver a clean, powerful, and detailed audio experience, significantly enhancing their listening sessions. The solid construction and premium materials also receive frequent commendation, contributing to a sense of lasting quality and sophisticated design. Users appreciate its reliable performance and the noticeable improvement it brings to various headphones, making it a standout choice for discerning audiophiles seeking a high fidelity upgrade.
Know before you buy
By using a Li-Ion battery, the Broadway S completely isolates your audio from the electrical noise and interference typically found in wall power outlets. This results in a significantly lower noise floor, allowing for a cleaner, more detailed sound profile.
Yes, you can use the Broadway S indefinitely while it is connected to the included AC charge adapter. The battery system ensures you have the option for pure battery-powered playback or continuous desktop use.
Yes, the Broadway S is well-suited for IEMs. It features two gain settings that allow you to match the output to your specific headphones, ensuring you have precise volume control without unwanted background hiss.
The 800 mW of Class A power is optimized for low-impedance and high-sensitivity headphones. It provides a smooth, detailed delivery that excels with most modern headphones and IEMs.
Yes, the unit utilizes four 18650 batteries that are designed to be replaceable. This ensures you can maintain the longevity of the device over many years of use.
The Broadway S includes both a 4-pin XLR balanced output and a standard 6.35mm (1/4") Neutrik jack. This allows you to connect a wide variety of headphones without needing extra adapters.
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