KLIPSCH KG4

Pre owned. In fair condition. Shows several signs of wear, as shown in photo. Original packaging not included.

The Klipsch KG4 floorstanding loudspeakers helped establish the reputation of the American manufacturer thanks to a particularly successful combination of high efficiency, engaging musicality, and remarkable ease of drive. Designed to deliver true hi-fi performance without requiring especially powerful amplification, they stand out for their above-average sensitivity and for a sound presentation that is spacious, dynamic, and surprisingly well balanced.

The elegantly finished cabinet, featuring compact proportions for its category, houses a two-way configuration developed according to Klipsch’s long-standing engineering philosophy. The front baffle accommodates two vertically aligned 8-inch woofers alongside a horn-loaded compression tweeter, a solution that has always been one of the brand’s defining characteristics. On the rear panel, a large 12-inch passive radiator extends low-frequency performance and enhances dynamic capabilities without relying on conventional bass reflex ports.

Integration between the various drivers is particularly successful. Despite the presence of a horn-loaded tweeter, the speaker delivers a coherent and well-blended presentation, free from obvious coloration and capable of maintaining tonal consistency throughout the entire frequency range. The different driver sections operate seamlessly, producing a cohesive and convincing musical performance that never reveals the individual components at work.

The low-frequency range is one of the design’s greatest strengths. The passive radiator works in perfect synergy with the woofers, providing bass that is deep, fast, and exceptionally well controlled. Low-frequency extension is impressive for a loudspeaker of this size and is accompanied by extremely low distortion levels. The result is an authoritative yet never overpowering presentation, characterized by a pleasant sense of warmth and excellent rhythmic drive.

The midrange emerges with clarity and naturalness, allowing voices and instruments to occupy a realistic position within the soundstage. Musical information is reproduced with precision and fluidity, without harshness or artificial emphasis, creating a listening experience that is both relaxed and highly detailed.

High frequencies benefit from Klipsch’s horn technology, which provides excellent efficiency and controlled dispersion. The upper register sounds open, clean, and dynamic, conveying energy and fine detail without ever becoming aggressive. The overall balance favors naturalness and long-term listening enjoyment while maintaining a strong sense of involvement.

The soundstage develops with impressive width and stability, offering accurate instrument placement and convincing depth. The speakers are also relatively forgiving in terms of room placement and continue to deliver satisfying performance even in less-than-ideal setups.

One of the most appreciated characteristics of the KG4 is its exceptionally high sensitivity, significantly greater than that of most domestic loudspeakers in the same category. This allows the speakers to achieve substantial sound pressure levels with relatively little amplifier power, making them particularly well suited to both tube amplifiers and medium-powered solid-state electronics.

The combination of efficiency, bass extension, dynamics, and easy drivability makes the Klipsch KG4 an extremely versatile loudspeaker that remains highly sought after by enthusiasts today. Its balanced character, classic aesthetics, and robust construction allow it to perform convincingly with virtually any musical genre, delivering a listening experience that is engaging, natural, and consistently energetic.

Technical specifications:

• Speaker system: 2-way floorstanding loudspeaker with passive radiator
• Frequency response: 38 Hz – 20 kHz (±3 dB)
• Sensitivity: 94 dB (1 W / 1 m)
• Nominal impedance: 6 Ω
• Power handling: 100 W continuous; 500 W peak
• Tweeter: K-74-K compression driver with 1" (2.54 cm) phenolic dome
• High-frequency horn: 90° × 40° exponential horn
• Bass section: 2 × K-8-K 8" (20.32 cm) Poly ICG active woofers; 1 × KD-12 12" (30.48 cm) fiber-composite passive radiator
• Enclosure type: bass reflex via passive radiator
• Cabinet material: MDF (Medium Density Fiberboard)
• Dimensions (W × H × D): 40 × 61.6 × 27.3 cm
• Weight: 18.2 kg each speaker