Description
Portable stereo with analog tone control
Marshall Kilburn III in Black & Brass pairs classic amp-inspired hardware with class D amplification and long-run battery stamina. Analog knobs let you set volume, bass, and treble by hand while Bluetooth 5.3—including Auracast support—handles wireless playback indoors or outside.
Sound and tuning
- Amplification: 50 W total output from three independent class D amplifiers.
- Staging: 360° true stereophonic technology for immersive listening from multiple positions.
- Dynamic Loudness: Adjusts tonal balance so audio stays balanced at every volume.
Power, protection, and carry
- Playtime: Over 50 hours of wireless battery on a full charge; roughly 8 hours after a 20-minute charge.
- Phone top-up: Built-in charging bank—use the speaker to charge your phone on the go.
- IP54: Rated resistant to dust and water splashes.
- Finish: Textured vegan sleeve, brass-plated details, and a carry strap suited to transport.
Wireless
Bluetooth 5.3 with Auracast support for streaming and future-compatible broadcast modes.







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