PS1K Powered Subwoofer

The McIntosh PS1K is a powerful, active subwoofer equipped with two 13-inch woofers and two 500-watt Class-D amplifiers for a total power output of up to 1,000 watts. It is designed to deliver deep, precise bass and integrate seamlessly into high-quality stereo or home theater systems.

🎵 Sound quality & technology

Drivers : Two 13" (33 cm) woofers with multi-layer carbon fiber cones and LD/HP® magnet structure

Amplifier power : Two Class-D amplifiers with 500 watts each (total 1,000 watts)

Frequency response :

20 Hz – 500 Hz with LFE
20 Hz – 100 Hz without LFE

Maximum sound pressure : 113 dB

Filter options :

High pass: 40 Hz – 100 Hz

Low pass: 40 Hz – 100 Hz

Two parametric EQ bands (30 Hz – 100 Hz, ±8 dB)

Continuous phase adjustment

Distortion (THD) :

Amplifier: 0.05%

Preamplifier: 0.005%

Signal-to-noise ratio :

Amplifier: 115 dB (A-weighted)

Preamplifier: 100 dB (A-weighted)

📐 Design & Construction

Housing : Sealed design with 3.8 cm thick baffle to minimize vibration and eliminate port noise.

Finish : High-gloss piano lacquer in black with carbon fiber accents and anodized aluminum base.

Dimensions (W x H x D) : 48.9 cm x 128.7 cm x 57.2 cm

Base area : 64.3 cm x 54.4 cm

Weight :

Device: 167.8 kg

Shipping weight: 310 kg

🔌 Connectivity & Integration

Entrances :

1 pair of balanced stereo inputs

1 balanced mono subwoofer input

1 unbalanced mono subwoofer input

Outputs :

1 pair of balanced stereo outputs

1 balanced mono subwoofer output

1 unbalanced mono subwoofer output

Input impedance :

20 kΩ symmetrical

10 kΩ unbalanced

Maximum input signal :

9 V symmetrical

4.5 V unbalanced

Input sensitivity :

1 V symmetrical

0.5 V unbalanced

Power supply :

120 V, 50/60 Hz at 3.0 A

240 V, 50/60 Hz at 1.6 A

Standby consumption: < 0.25 W

🛡️ Protective functions

Power Guard® : Monitors the audio signal and prevents distortion by making instant adjustments.

Sentry Monitor™ : Protection against short circuits without fuses; automatic reset after normalization.

The McIntosh PS1K subwoofer combines advanced audio technology with elegant design to deliver an exceptional sound experience. With its impressive performance and versatility, it's ideal for discerning music lovers and home theater enthusiasts.