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Commercial

Classe Audio Sigma AMP2 Stereo Power Amplifier

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Dates
Submission Date:
October 29, 2025Oct 29

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Classe Audio · Sigma AMP2 Stereo · Power Amplifier

AUD$3,250

Region / State

(NSW) New South WalesAustralia

Suburb or Town

Lane Cove

Payment Method

Paypal, EFT, Zip, CC and CASH

Original Receipt Available

Condition / Warranty

Excellent item_warranty_none

Shipping & Pickup Options

Shipping Pickup

Auditioning

Yes

Electrical Disclaimer Description

Discover High-Fidelity Sound with the Pre-Owned Classe Sigma AMP2 Stereo Power Amplifier

Tested and ready to perform, experience pristine performance at Len Wallis Audio’s Lane Cove showroom or enquire online.

Key Features

200W per Channel: 300W RMS into 8Ω for robust output.
Switch Mode Power: Efficient, compact Classé-designed supply.
Low Distortion: <0.002% at 1 kHz for clear audio.
Balanced Inputs: XLR and RCA for versatile connectivity.

The pre-owned Classe Sigma AMP2 Stereo Power Amplifier, available at Len Wallis Audio, is crafted for hi-fi enthusiasts and audiophiles seeking quality audio at a great price.

In great condition with original packaging, this Sigma series amplifier delivers 300W per channel using switching technologies.

Why Choose the Classe Sigma AMP2?

The pre-owned Sigma AMP2 offers dynamic audio performance, providing:

Powerful Output: 300W RMS into 8Ω for driving speakers.
High Efficiency: Switch-mode supply with over 1,000W capacity.
Low Noise: -116dB SNR for pristine sound reproduction.
Compact Design: Efficient layout for space-conscious setups.

The Classe Sigma AMP2 Stereo Power Amplifier, delivers “clean, stable power,” per Classe Audio. Utilizing a Classé-designed switch-mode power supply with Power Factor Correction, it provides over 1,000W efficiently, per specifications.

Technical Specifications

Product Type: Stereo power amplifier (pre-owned)
Condition: Great, with original packaging
Output Power: 300W RMS into 8Ω (24.8 dBW), all channels driven
Frequency Response: 1 Hz–100 kHz, -3 dB
Harmonic Distortion: <0.002% at 1 kHz (balanced), <0.004% (single-ended)
Peak Output Voltage: 167V peak-to-peak (no load), 156V peak-to-peak (8Ω)
Input Impedance: 50kΩ (balanced/single-ended)
Voltage Gain: 29 dB (balanced/single-ended)
Input Level at Clipping: 2.1V RMS (balanced/single-ended)
Signal-to-Noise Ratio: -116 dB at peak output (22 kHz bandwidth)
Output Impedance: 0.03Ω at 1 kHz
Standby Power Consumption: <1 W
Rated Power Consumption: 1300 W at 1/8th power into 8Ω
Dimensions: 444 mm x 223 mm x 572 mm (W x H x D, excluding connectors)
Weight: 47.7 kg (net), 52.3 kg (gross)
Connectivity: XLR and RCA inputs
Compatibility: Hi-fi systems, preamps
Manufacturing: Designed by Classe Audio, Canada

WARRANTY INFORMATION (Commercial Seller)

The item represented is being sold by a Commercial Member. This means they have certain legal requirements when selling new and second-hand goods, and must provide a statuatory warranty under Consumer Law applicable to their location. These requirements may differ depending on their region, so discuss these entitlements with the Seller prior to purchase.