KLIPSCH HERESY II

Pre owned. In fair condition. Visible signs of wear are present, also shown in the photos. Without original packaging.

The Klipsch Heresy II is one of the most iconic and recognizable models from the historic Heritage Series, loudspeakers that embody the American tradition of high efficiency and powerful dynamic performance. Developed from the original 1957 design and updated in 1985, the Heresy II preserves the unmistakable Klipsch philosophy, delivering a direct, energetic and highly engaging sound capable of reproducing music with remarkable presence and realism even at low listening levels.

The design features a three-way configuration using horn-loaded compression drivers for both midrange and high frequencies, a technical solution that ensures high sensitivity, fast transient response and extremely low distortion. The tweeter and midrange drivers operate through dedicated horns that provide exceptional speed, precision and immediacy, allowing vocals and instruments to emerge with natural presence and strong impact. Low frequencies are handled by a 12-inch woofer housed in a sealed enclosure, delivering tight, fast and well-integrated bass response.

With a sensitivity rating of 97 dB, the Heresy II is exceptionally easy to drive and pairs perfectly even with low-powered amplifiers, including tube amplifiers and single-ended designs. This characteristic allows the speakers to achieve highly dynamic and involving performance without requiring particularly powerful electronics, enhancing musicality and overall listening enjoyment.

During listening, the Heresy II reveals a lively and immediate character, with explosive dynamics, rapid attack and an impressive ability to convey rhythm and energy. Vocals sound forward and substantial, while guitars, brass instruments and percussion gain remarkable realism and physical presence. The classic Klipsch sound is immediately recognizable: emotional, engaging and never flat or artificial, making these speakers particularly rewarding with rock, jazz and live recordings, while still maintaining tonal coherence and precision with more refined musical genres.

Even today, the Heresy II remains one of the most appreciated models in Klipsch history thanks to its unique balance of relatively compact dimensions, strong sonic personality and impressive performance. It is a loudspeaker that ignores passing trends and continues to be chosen by enthusiasts worldwide for its ability to make music sound alive, dynamic and genuinely engaging.

Technical Specifications:

• Type: 3-way floor-standing loudspeakers
• Frequency Response: 63 Hz – 20 kHz (±3 dB)
• Sensitivity: 97 dB (1W/1m)
• Power Handling: 100 W continuous; 400 W peak
• Maximum SPL: 114 dB
• Impedance: 8 Ohms
• Tweeter: Klipsch K-76-K 1" compression driver
• Midrange: Klipsch K-53-K 1.75" compression driver with exponential horn
• Woofer: Klipsch K-24-K 12"
• Crossover Frequencies: 700 Hz; 6000 Hz
• Cabinet: sealed MDF enclosure
• Dimensions (H x W x D): 543 x 394 x 337 mm
• Weight: 16.8 kg each