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JBL GTO 5355
1 × 70 Watt Kanal 1 an 4 Ohm
2 × 64 Watt Kanal 1 + 2 an 4 Ohm
4 × 56 Watt Kanal 1 bis 4 an 4 Ohm
4 × 55 Watt Kanal 1 bis 4 an 4 Ohm +
1 × 240 Watt Kanal 5 an 4 Ohm
Stromaufnahme 54,5A
Wirkungsgrad 62,4%
4 × 78 Watt Kanal 1 bis 4 an 2 Ohm +
1 × 351 Watt Kanal 5 an 2 Ohm bei 13,4V Versorgungsspannung
Stromaufnahme 89,6A
Wirkungsgrad 55,3%
663 Watt Gesamtleistung
gemessen bei 100 Hz durch fest voreingestellten Tiefpassfilter für Kanal 5
Should you buy at €105? Yes — that looks like a fair-to-good asking price for a clean, working example, and it’s not so high that it starts feeling ambitious. The GTO5355 is a well-regarded 5-channel JBL amp with solid output on paper and the kind of flexible all-in-one layout that still makes sense for a tidy daily-driver install.
What makes it worthwhile is the combination of real-world usefulness and age: one chassis for front stage plus sub, respectable power, and JBL’s generally sturdy Grand Touring-era build. At this age, the big check is simply whether it powers up cleanly, stays quiet, and has its terminals and crossovers intact; if it’s truly excellent, that €105 is a sensible buy rather than a stretch.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
JBL traces its roots to 1946, when pioneering audio engineer James Bullough Lansing founded the company in Los Angeles, California, initially as James B. Lansing Sound, Incorporated. A veteran of loudspeaker design from earlier ventures like the Lansing Manufacturing Company and collaborations on Hollywood's first practical cinema systems, Lansing infused JBL with his relentless pursuit of acoustic clarity and fidelity. Though he passed away in 1949 amid financial strains, the brand endured under new leadership, accelerating in 1969 with acquisition by Harman International—now under Samsung—fueling global expansion and innovation.
JBL excels across professional and consumer audio realms, renowned for its loudspeakers that dominate studios, touring rigs, cinemas, and home setups. Iconic models like the D-130 woofer, Paragon stereophonic system, and L-100 Century defined eras of high-output sound, while modern lines span portable Bluetooth speakers, wireless headphones, soundbars, and pro monitors. The brand prioritizes robust transducers, advanced horns, and diamond-surround tech over niche components like turntables, DACs, or cables.
Positioned as a mid-tier powerhouse with pro-grade heritage, JBL commands respect among discerning buyers for delivering punchy, reliable performance at accessible prices, bridging live-event energy and home listening without high-end esoterica. Its vintage icons draw collectors, yet contemporary ubiquity in arenas and everyday gear cements market dominance for those valuing scale and excitement over boutique refinement.
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