🔊 70W High-Power Output: Delivers a powerful mono signal, specifically designed for driving heavy-duty speakers.

🏗️ D1047 Transistor Core: Utilizes premium high-current transistors for consistent professional performance.

📉 Class AB Efficiency: Combines the high-fidelity sound of Class A with the efficiency of Class B for over 80% power efficiency.

📏 Optimized for 10-Inch Drivers: Specifically tuned to provide the best response for 10-inch speakers and 8-inch cabinets.

⚡ Stable A.C. Input System: Designed for 25V+25V 6A AC power supplies to ensure a steady and hum-free audio experience.

🎸 Full Frequency Range: Covers everything from 20Hz to 2000Hz, delivering deep, punchy bass and rich mids.

❄️ Heavy-Duty Cooling: Features a large, high-surface-area aluminum finned heatsink to prevent thermal throttling.

🔗 Easy Integrated Connections: Clearly labeled board for Speaker Ground, Audio Input, and A.C. Power for fast wiring.

🛡️ Wide Impedance Range: Supports a variety of speaker configurations from 4$\Omega$ to 8$\Omega$ with ease.

🛠️ DIY Enthusiast Friendly: The ideal core component for building Subwoofers, Home Audio Upgrades, or Portable PA Systems.

🎵 2.1 Channel Output – Stereo (18W+18W) + Subwoofer (18W)

🔧 High-Quality Chipset – TDA2030 for output stage, JRC4558 for bass filtering

⚡ Input Supply – Operates on 12-0-12V AC (Requires at least 4A transformer)

🔊 Powerful Bass Output – Low-pass filter enhances subwoofer performance

🧲 Speaker Compatibility –

• Subwoofer: 4-6″, 4-6Ω, 20W

• Left/Right: 3-4″, 4-8Ω, 10-25W

🔁 High Efficiency – Over 90% power efficiency

📦 Compact Size – 11 × 6.5 × 4 cm, fits easily in enclosures

📈 Frequency Response –

• Full-range: 20Hz – 2kHz

• Subwoofer: 20Hz – 250Hz

🎤 Dual Microphone Support: Features two dedicated mic ports for group performances and professional duets.

✨ Legendary PT2399 Echo: Powered by the original processing chip for the standard echo effect found in professional DVD players.

🎛️ 5-Knob Precision Control: Take full command with individual knobs for Mic Volume, Echo, Bass, Tone, and Aux Music Volume.

⚡ High-Fidelity Pre-Amp: Equipped with JRC4558 dual op-amps for clean, powerful signal processing and minimal noise.

🎶 Independent Mixing: Seamlessly blend your vocals with background music using the Independent Aux Volume control.

🔄 Customizable Reverb: The onboard Echo CTRL knob allows you to fine-tune the delay time for a custom acoustic feel.

📱 Universal Aux Input: Easily connect your Phone, PC, or CD player as a music source via the standard input pads.

🏗️ Sammar Electronics Build: Precision-manufactured (Model SK177) with high-grade components for industrial-level durability.

🛡️ Low Noise Floor: Engineered with advanced filtering to ensure a pure signal path free from background hum.

📦 DIY Karaoke Ready: The perfect core module for building Custom Karaoke Machines, PA Systems, and Home Theaters.

🔊 MASSIVE 140W STEREO OUTPUT – Delivers a powerful 70W + 70W across two channels, providing enough energy to fill large rooms with immersive sound.

🎼 CLASS AB FIDELITY – Combines the efficiency of Class B with the low distortion of Class A, ensuring a smooth, natural audio response.

⚡ HIGH-EFFICIENCY POWER – Operates at over 80% power efficiency, meaning more energy goes to your music and less is wasted as heat.

🏗️ ROBUST THERMAL DESIGN – Equipped with four individual aluminum heat sinks to keep the high-power transistors cool during extended use.

📉 WIDE FREQUENCY RANGE – Supports a broad response from 20Hz to 2000Hz, capturing everything from deep sub-bass to clear mid-tones.

🔌 DUAL AC POWER INPUT – Optimized for high-performance transformers with a recommended supply voltage of 25V + 25V AC.

📻 VERSATILE IMPEDANCE – Perfectly compatible with speakers ranging from 4Ω to 8Ω, giving you the flexibility to use a variety of cabinet types.

🛠️ EASY CONNECTIONS GUIDE – Features clearly labeled onboard points for Audio Input, Speaker Output, and AC Power, making DIY installation a breeze.