KEF / 2 channels

KEF KASA-500 Amplifier

Name: KEF KASA-500 Amplifier
Brand: KEF
SKU: SP3838BA
Price: 1.349.00 EUR
Availability: InStock

€1.349,00 EUR

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🚚Estimated insured delivery: 23 Feb 2026 – 25 Feb 2026 LV · LT · EE

🚚 Dostava u 1-4 dana u Baltičkim zemljama. 2-8 dana EU
💰 14 dana povrat
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Način dostave: Standardno
Trošak dostave:
EU 25€
LT, EST 6€
LV 3€
RU, SAD 200€
Ostale zemlje 200€
Obično se šalje 2 - 5 radnih dana nakon narudžbe
Ponekad se šalje do 20 radnih dana, o čemu ćemo dodatno obavijestiti nakon narudžbe.

https://premiumhifi.lv/policies/shipping-policy

🟠 Porezi 🟠

Cijene uključuju PDV za zemlje EU. Za zemlje izvan EU, cijene su prikazane bez poreza. Mogu se primijeniti dodatne carinske pristojbe. Molimo provjerite kod vaše lokalne carinske službe za detalje.

🧾 Overview

The KEF KASA500 is a DSP-controlled Class-D system amplifier engineered to drive KEF Ci architectural subwoofers with authority and precision. With flexible line- and speaker-level inputs, configurable DSP pass-through, and bridgeable high-power output, it’s built for clean, cinema-grade bass in custom-installed systems.

✅ Key Features

✅ DSP-controlled Class-D amplifier optimised for KEF Ci in-wall / in-ceiling subwoofers
✅ Dual-channel 2 × 250 W (4 Ω) output, or bridge mode 1 × 500 W (8 Ω) for maximum impact
✅ Selectable stereo RCA line input or mono LFE RCA input for easy AVR/processor integration
✅ Stereo speaker-level inputs for flexible “tap from amplifier” installations
✅ Adjustable crossover 40–140 Hz (or software bypass via DSP presets)
✅ DSP-configurable line output: EQ preset or direct pass-through to chain additional amplifiers
✅ Multiple power-on modes: Manual, Music Sense, or 12 V Trigger control
✅ Rack-friendly: optional rack ears included (2U / 2 EIA rack space)

📊 Technical Specifications ▼

Parameter	Value
Device Type	DSP-controlled system amplifier for passive subwoofers
Amplifier Topology	Class-D
Amplifier Power	2 × 250 W (4 Ω) / Bridge: 1 × 500 W (8 Ω), <1% THD
Bridge Mode	Selectable 2-channel / bridge switch
Crossover Frequencies	40–140 Hz or software bypass (DSP preset dependent)
Inputs	Selectable stereo RCA line level or mono LFE RCA level; stereo speaker-level input
Outputs	Speaker outputs (Ch1/Ch2 or Bridge); RCA line output (EQ preset / pass-through)
12 V Trigger Input Voltage	8–14 V DC @ 1.5 mA max (3.5 mm jack; any polarity)
USB	USB Type-A port for DSP firmware updates
Wireless (Bluetooth / Wi-Fi)	N/A
Product External Dimensions (H × W × D)	88 × 432 × 304 mm
Dimensions With Feet (H × W × D)	92 × 432 × 304 mm
Dimensions With Rack Ears (H × W × D)	88 × 483 × 304 mm (2 EIA rack space)
Net Weight	4.0 kg

📦 What’s in the Box

📦 KEF KASA500 amplifier (1 pc.)
🔌 Mains power cable (1 pc.)
🧩 Removable terminal block connector (1 pc.)
🗄️ Rack-mount ears (2 pcs.)
🔩 Rack-ear screws (6 pcs.)
🦶 Rubber feet (4 pcs.)
📖 User manual (printed, 1 pc.)
📄 Setup / settings documents (printed sheets, 3 pcs.)

🔄 Compatibility

Compatible with AV receivers and processors via RCA (stereo line input or mono LFE), and can also accept speaker-level input when needed. Designed to power KEF Ci passive subwoofer models using DSP presets, with line output available for EQ’d daisy-chaining or pass-through to additional amplifiers/sub systems. Ideal for custom-install home cinema bass management and distributed audio sub/sat configurations.

📦✈️ Shipping & Returns

📦 Insured worldwide delivery
🔄 14-day return policy
🛡️ 2-year EU warranty

📝 Reviews

“Packing a chunky 250 watts per channel (at 4 ohms) … bridge the amplifier … a mighty 500 watts supply.” — Richer Sounds

“DSP controlled system amplifier contains both line and speaker level inputs … with optional high pass filters.” — Audio Affair

“Very powerful receiver. Works wonderfully with the Sonos speakers.” — Best Buy customer review

⚠️ Warning

⚠️ Warning: This amplifier may cause “just one more subwoofer” thinking, late-night DIP-switch archaeology, and the sudden belief that your walls can handle cinema SPL. Proceed responsibly.