Broadway
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.
Battery-Powered Purity
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
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
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.
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 Recommended Adapter: Mean Well GST36 or GSM40A24-P1J |
| Dimension | 212 L x 156 D, 48 H (mm) including volume control |
| Weight | Approx. 1150 grams with battery |
→ How to chose an AC-DC adaptor for Broadway
→ How to chose 18650 battery for Broadway
Headfonia
XI Audio Broadway & Broadway S Review
I am putting the Broadway also on our Best Amplifier list. Absolutely deserved.
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Canjam NYC 2018
TAS report Broadway headphone amplifier
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