
A bold shape, vibrant color palette, energetic, spatial sound that detaches itself from the speakers to create a three-dimensional musical image. The ZGB-601 is a slim bass-reflex loudspeaker system designed in a D’Appolito configuration to deliver a precise soundstage, natural tonal balance, and expressive presentation that engages the listener from the very first seconds. The lowest price from the 30 days before the promotion: EUR 3549
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PLN 11 999
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When creating the ZGB-601, we had one goal in mind: to open up to a new kind of sound. We wanted to show that hi-fi can be both precise and daring. The sound is coherent, rhythmic, and spacious, with a clearly defined front-to-back perspective.
The bass is rhythmic and fluid — less contoured, yet full and musical, providing a solid foundation that shines in rock and jazz music.High frequencies are clean, detailed, and naturally colored, without sharpness or fatigue. The ZGB-601 uses two mid-bass drivers and a silk-dome tweeter, enabling subtle tonal and textural nuances across the frequency range.

The D’Appolito arrangement and the speaker’s slender form create an exceptional soundstage with remarkable depth and precise instrument placement. The system is a two-way design featuring an advanced crossover network.
Thanks to its acoustic engineering, the ZGB-601 offers natural spaciousness and precise imaging — a sound that breathes: coherent, rhythmic, with a full and musical bass that remains soft and fatigue-free even after long listening sessions. Highs stay clean and transparent, preserving the authentic timbre of instruments. This is sound with character — not for everyone, but for those who seek truth in music rather than mere effect.


A smooth impedance curve ensures that the ZGB-601 pairs easily even with amplifiers sensitive to load variations. This makes it an excellent match for tube amplifiers as well.

The ZGB-601 introduces a new design language at Unitra — a refreshed interpretation of the loudspeaker archetype. Created to meet the highest acoustic demands while maintaining uncompromising proportions and a pure, coherent silhouette. Its slim, monolithic body, resting on a stable base, gives an impression of lightness. Rounded edges evoke modernist architecture, while subtle perspective shifts add a sense of dynamism and finesse.The ZGB-601 blends harmoniously with classic audio systems yet remains a proposition for those who seek new means of expression and a contemporary design language.


The ZGB-601 is designed for those unafraid of strong accents — for people who want their interiors to express personality and presence. Its slender, monolithic form draws attention, while the bold color palette inspired by nature — from tranquil natural green and deep black to soft white and dynamic red — brings freshness, energy, and balance to any space.
Each finish, coated in a satin lacquer with exceptional depth and scratch resistance, enhances the proportions and geometric harmony of the speakers. It’s a statement piece for both classic and eclectic interiors — for those who want to combine boldness with modern elegance.
Frequency Response
46 Hz – 20 kHz
Sensitivity
89 dB
Impedance
4 Ω (minimum 2,9 Ω)
Power Rating
190 W RMS
System
2-way MTM (d'Appolito)
Crossover Frequencies
1800 Hz
Enclosure Type
Bass-reflex
Connector Type
Single
1" silk dome
Mid-Woofer
2 x 6" carbon fibre
Dimensions
227 × 335 × 1268 mm
Weight
2 × 23 kg
Grille
Black acoustic fabric