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This model has been discontinued. Current model: Rotel RMB1587MKII 7-Channel Class AB Amplifier Black →
Texas-Based Family Owned Since 1985
Authorized Dealer - Factory Warranty
Stereo Amplifiers

Classé Sigma Amp5 Multichannel Power Amplifier, Texas-Ready Performance

Model: SIGMAAMP5 Brand: CLASSE
Experience unmatched audio clarity with Classé Sigma Amp5 at MODIA, serving Houston, Dallas, and Austin. Visit us today for expert guidance.
In Stock
$3,998.00 each

Product Description

With the Classé Sigma Amp5, you're stepping into a world where precision meets power. This multichannel power amplifier offers a robust 200W per channel into 8 ohms, ensuring dynamic sound for any home theater setup. Its fully balanced, digital class-D architecture minimizes noise and distortion, while the Bridge Tied Load topology provides a safe, direct-coupled signal path without the need for servos or DC blocking capacitors.

Engineered with a switch-mode power supply and Power Factor Correction circuit, the Amp5 achieves over 90% efficiency, drawing less peak current compared to linear power supplies. This, paired with Texas Instruments' Natural Interleaving technology, ensures minimal noise and ripple, even at high outputs. The amplifier's proprietary drivers and DSP tools reduce deadband time to less than 3 nanoseconds, enhancing clarity and reducing distortion.

Whether you're building a dedicated home theater or enhancing your living room's audio capabilities, the Sigma Amp5 will impress with its agility and detail. The amplifier's design accommodates five channels, making it perfect for immersive movie nights or high-fidelity music sessions.

Come hear the difference at our Houston showroom or connect with our Dallas and Austin teams for a personalized consultation. Experience the power and finesse that Classé brings to your home audio setup.

Power Output200W per channel into 8 ohms
Impedance8 ohms
Total Harmonic Distortion (THD)0.018% all channels driven into 8 ohms at 1/8 power
Signal-to-Noise Ratio100dB
Amplifier ClassClass D
Dimensions17"W x 3.75"H x 14.5"D
Weight23 lbs
Power SupplySwitch-mode with Power Factor Correction
Switching Frequency120kHz
Dynamic power output — 200W per channel into 8 ohms
High efficiency — over 90% with Power Factor Correction
Reduced noise — fully balanced, digital class-D design
Safe signal path — Bridge Tied Load topology
Minimal distortion — less than 3ns deadband time
Comprehensive protection — sophisticated overload safeguards
Agile sound — switch-mode power supply and PFC
Versatile setup — ideal for home theaters or music rooms

Professional Installation

Expert installation by certified technicians.

Technical Support

Get help with setup and troubleshooting.

Warranty Info

Comprehensive warranty coverage.

Credit & Debit Cards

Visa, Mastercard, American Express, and Discover via Stripe.

ACH Bank Transfer

Bank transfer payments processed securely through Stripe.

Digital Wallets

Apple Pay, Google Pay, and Amazon Pay accepted at checkout.

Buy Now, Pay Later

Flexible financing through Klarna and Affirm.

View full Payment Policy

Free Shipping

Free standard shipping on all U.S. orders. White glove delivery for large items.

View full Shipping Policy

30-Day Free Returns

Full refund within 30 days. No restocking fees. We pay return shipping.

View full Return Policy

Technical Specifications

Power Output200W per channel into 8 ohms
Impedance8 ohms
Total Harmonic Distortion (THD)0.018% all channels driven into 8 ohms at 1/8 power
Signal-to-Noise Ratio100dB
Amplifier ClassClass D
Dimensions17"W x 3.75"H x 14.5"D
Weight23 lbs
Power SupplySwitch-mode with Power Factor Correction
Switching Frequency120kHz

Key Features

Dynamic power output — 200W per channel into 8 ohms
High efficiency — over 90% with Power Factor Correction
Reduced noise — fully balanced, digital class-D design
Safe signal path — Bridge Tied Load topology
Minimal distortion — less than 3ns deadband time
Comprehensive protection — sophisticated overload safeguards
Agile sound — switch-mode power supply and PFC
Versatile setup — ideal for home theaters or music rooms

Product Support

Professional Installation

Expert installation by certified technicians.

Technical Support

Get help with setup and troubleshooting.

Warranty Info

Comprehensive warranty coverage.

Payment Methods

Credit & Debit Cards

We accept Visa, Mastercard, American Express, and Discover. All transactions are securely processed through Stripe with PCI Level 1 encryption.

ACH Bank Transfer

Pay directly from your bank account. ACH payments are processed securely through Stripe.

Digital Wallets

Apple Pay, Google Pay, and Amazon Pay are accepted for fast, secure checkout.

Buy Now, Pay Later

Split your purchase into manageable payments with Klarna or Affirm.

Your card is authorized at checkout and charged when your order ships. View full Payment Policy

Shipping Information

Free Shipping

We offer free standard shipping on all orders within the contiguous United States.

White Glove Delivery

Large items like TVs, speakers, and furniture include professional delivery and placement in your home.

Processing Time

Free shipping on all U.S. orders. You'll receive tracking information via email once your order ships.

Sales tax is calculated at checkout based on your shipping address. View full Shipping Policy

Return Policy

30-Day Returns

Not satisfied? Return your purchase within 30 days of delivery for a full refund — no restocking fees.

Free Return Shipping

MODIA pays for return shipping. We provide a prepaid label for all eligible returns.

Manufacturer Warranty

All products carry the full manufacturer's warranty. We help facilitate warranty claims on your behalf.

Refunds processed within 7 business days to your original payment method. View full Return Policy