Eleven Audio Broadway Battery-Powered Fully Balanced Class A Headphone

Broadway™ is Eleven Audio’s battery-powered, fully balanced discrete Class A headphone amplifier, combining refined musicality with exceptional transparency and an ultra-quiet background.Designed for listeners who value natural tone, precise detail retrieval, and effortless musical expression, Broadway™ delivers a remarkably smooth and immersive headphone experience.

Broadway headphone amplifier eleven audio

Battery-Powered Purity

Eleven Audio Broadway headphone amplifier Batteries

Broadway™ uses four replaceable Li-Ion batteries as part of its power supply architecture, dramatically reducing AC line noise and providing an exceptionally clean power foundation.

The amplifier can operate for 6-11 hours on battery power alone, or remain connected to AC power for continuous listening while maintaining the same highly refined sonic character.

Balanced Architecture True Balanced Class A Design

Eleven Audio Broadway headphone amplifier inside

Accepting balanced XLR inputs only, Broadway™ features a four-channel fully balanced amplification topology with direct signal paths to the balanced headphone output.

With 1.5 watts of pure Class A power into 32 ohms, Broadway™ provides smooth, effortless drive capability while preserving fine detail, tonal richness, and spatial realism.

Developed and tuned with ABYSS Diana headphones

Eleven Audio Broadway Abyss Diana headphone

Developed with ABYSS Diana series headphones as a reference, Broadway™ was created to complement high-performance headphone systems with a natural and engaging sonic character.

Broadway S Single-Ended Headphone Amplifier

The single-ended Broadway S is specifically tuned for low-impedance, high-sensitivity headphones. The connectivity features a pair of RCA inputs, while outputs are updated to an XLR 4-Pin and a 6.35mm stereo jack. Gain, sonic quality, and drive capability have been completely re-engineered and optimized, allowing a wide range of low-impedance, high-sensitivity flagship headphones to perform at their absolute best.

Optimized for: Sennheiser, AKG, Sony, Grado, Fostex, Final Audio, Denon...

Globally recognized for excellence! Both the balanced Broadway and the single-ended Broadway S have been honored with the prestigious Japan VGP 2019 Summer Award, validating their exceptional circuit design and ultimate sonic performance.

Broadway headphone amplifier eleven audio

Specifications

Frequency Response 0.2-360 KHz
Output Power 1.5 W @ 32Ω
Fully Balanced Class A Operation
Gain 3.2dB @ High Gain
-7.5dB @ Low Gain
Signal to Noise Ratio 130 dB
Batteries 18650 x 4
Battery Runtime Approx. 6 hours @ Broadway
Approx. 11 hours @ Broadway S
Inputs Balanced XLR only
Outputs 4-pin XLR
4.4 mm Pentaconn
DC power supply 24V DC
≥ 1.5A
Every pin on the AC mains side is fully insulated and isolated from the DC output pins
Dimension 212 L x 156 D, 48 H (mm) including volume control
Weight Approx. 1150 grams with battery
Broadway headphone amplifier front panel Broadway headphone amplifier rear panel Broadway headphone amplifier light signal
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