Eleven Audio Broadway S Headphone Amplifier
Best battery-powered amplifier for sensitive IEM and headphone enthusiasts.
By running on a dedicated battery rather than wall power, this amplifier eliminates electrical noise to deliver an incredibly clean, black background for your music. It is a purist’s desktop solution that trades the convenience of a permanent power cord for the absolute sonic clarity of true Class A amplification.
$1799.00
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
Dimension
212 mm L x 156 mm L (195 mm including volume control/RCA jacks) x 48 mm H
Weight
Approx. 1100 grams with battery
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