PS Audio BHK Mono 300 vs PS Audio BHK Signature 250 Detailed Comparison

PS Audio BHK Mono 300 vs PS Audio BHK Signature 250

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PS Audio BHK Mono 300

Power Amplifier | 300 watts RMS into 8-ohms

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PS Audio BHK Signature 250

Power Amplifier | 250 watts RMS into 8-ohms

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PS Audio BHK Mono 30...

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PS Audio BHK Signatu...

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PS Audio BHK Mono 30...

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PS Audio BHK Mono 300 vs PS Audio BHK Signature 250 Power Amplifier Comparison

In this review, we will be comparing two different types of amplifiers by PS Audio. PS Audio BHK Mono 300 is a Mono Power Amplifier speaker whereas the BHK Signature 250 is a Stereo Power Amplifier speaker.

Let's have a brief look at the main features of PS Audio BHK Mono 300 and PS Audio BHK Signature 250 first before getting into our more detailed comparison.

Key Specs	PS Audio BHK Mono 300	PS Audio BHK Signature 250
Power	1000W into 2 ohms. Discontinued from new production in 2025. Sold as a pair, $16,998 the pair.	Gain 30.5dB. 500W into 4 ohms.
Amplifier class	Class A/B	Class A/B
Tubes	Hybrid tube	Hybrid tube
Built-in DAC	No	No
Phono input	No	No
Headphone output	No	No
Bluetooth	No	No
Weight	37.60kg / 82.7lbs	37.60kg / 82.7lbs
Dimensions (H x W x D)	8.70" x 17.10" x 14.00" 221 x 434.3 x 355.6 mm	8.70" x 17.10" x 14.00" 221 x 434.3 x 355.6 mm

What size room are the PS Audio BHK Mono 300 and PS Audio BHK Signature 250 Amplifiers good for?

The size of the room in which you are planning to use these amplifiers is an important decision factor. Here we have compared their suitability to various sizes of environments considering their max power parameters:

Listening Environment	PS Audio BHK Mono 300	PS Audio BHK Signature 250
Near-field	Are you nuts?	Are you nuts?
Small Room	Bad	Bad
Mid-size Room	Poor	Poor
Large Room	Good	Good
Very Large Room	Good	Good

BHK Mono 300 and BHK Signature 250 are members of PS Audio's BHK Signature series of speakers. Below you can find the loudspeakers from this series.

PS Audio BHK Signature Series History

Model	Watts RMS (8-ohms)	Minimum Impedance	Built-in DAC
PS Audio BHK Signature 250	250 watts	-ohms	No
PS Audio BHK Mono 300	300 watts	-ohms	No
PS Audio BHK Mono 600	600 watts	-ohms	No

The sections below take each area in turn: power output, inputs and outputs, features and physical size.

**This post contains affiliate links, and we will be compensated if you make a purchase after clicking through our links. As an Amazon Associate I earn from qualifying purchases.

Reasons to choose PS Audio BHK Mono 300 over PS Audio BHK Signature 250

Watts into 8-ohms	300 watts vs 250 watts	Delivers higher power into 8-ohms speakers
Watts into 4-ohms	600 watts vs 500 watts	Delivers higher power into 4-ohms speakers

Reasons to choose PS Audio BHK Signature 250 over PS Audio BHK Mono 300

MSRP Price(*)	4,249USD vs 8,499USD	costs less (*prices may change depending on the seller, location and time)

Inputs and Outputs

The input and output selections that are offered is an important factor when comparing two amplifiers. Here you can find how the I/O selections of the PS Audio BHK Mono 300 and PS Audio BHK Signature 250 differs from each other.

PS Audio BHK Mono 300 Inputs

Total Number of Analog Inputs: 1
XLR Input Port

PS Audio BHK Signature 250 Inputs

Total Number of Analog Inputs: 1
XLR Input Port

Outputs