Krell

K-300i

Introduced 2019$7,000 MSRP

The K-300i is Krell's most accessible integrated amplifier, using the company's iBias class-AB topology to deliver 150W per channel into 8 ohms and 300W into 4 ohms. An optional retrofittable digital module adds a DAC with HDMI, USB, aptX Bluetooth, MQA and Roon endpoint capability.

MSRP

$7,000

Used market · Excellent

$4,500

-36% vs MSRP

as of Sep 1, 2026

Sell or trade this Add to my system

MSRP to used market

From $4,200 at launch to $4,500 today.

Specifications

THD: 0.015% at 1kHz at 150W into 8 ohms; 0.08% at 20kHz at 150W into 8 ohms
Inputs: Analog: 2 pairs balanced XLR, 3 pairs single-ended RCA. Optional digital module: 1 Toslink optical, 1 coaxial S/PDIF, 2 HDMI (2.0a/HDCP 2.2, DSD and 4K passthrough), 1 USB-A host, 1 USB-B audio, aptX Bluetooth; Ethernet, RS232, RC5 and 12V trigger inputs
Weight: 52 lb (23.6 kg); 60 lb (27.3 kg) shipping
Outputs: 1 pair speaker outputs (gold-plated binding posts), 1 pair single-ended RCA preamp outputs, 1 HDMI output, 1 12V trigger output
Topology: solid state class AB, iBias XD
Dimensions: 17.25" W x 4.12" H x 18.00" D (438 x 105 x 457 mm)
Power output: 150W per channel into 8 ohms; 300W per channel into 4 ohms
DAC / Streaming: Optional $1,000 digital module: full MQA decoding and rendering, Roon endpoint, PCM up to 24/192 via coax/HDMI/USB-B (optical limited to 24/96), DSD up to DSD128 via USB-B, aptX Bluetooth, front-panel USB-A playback
Gain impedance: 25dB voltage gain (2V balanced for full output); input impedance 16k ohms balanced / 8k ohms single-ended; output impedance 0.035 ohms 20Hz-20kHz; slew rate 46V/us
Signal to noise: >104dB wideband unweighted; >117dBA, referenced to full power
Finishes warranty: Silver or black; 5-year warranty from purchase (6 years from date of manufacture)
Power consumption: 11W standby, 46W idle, 900W maximum
Frequency response: 20Hz-20kHz, +0/-0.22dB; 10Hz-100kHz, +0/-0.57dB