AS21HPA 2.1 Channel Bluetooth Amplifier 300W×2+600W TPA3255

AS21HPA High Power Bluetooth Digital Amplifier – 2.1 Channel Subwoofer

Unleash room-filling, concert-quality audio with the AS21HPA 2.1 Channel Bluetooth Digital Power Amplifier. Built around the renowned TPA3255 chip, this beast delivers a staggering 300W × 2 (stereo) + 600W (subwoofer) — a total of 1200W of clean, distortion-free power that brings your music, movies, and gaming soundtracks to life like never before.

Whether you're building a home theater, a DJ rig, or a high-fidelity listening room, the AS21HPA is engineered for audiophiles who refuse to compromise. Its stainless steel construction speaks to its durability, while its Class-D efficiency keeps heat low and power output sky high.

Made in Mainland China.

Key Features

• Massive Power Output: 300W × 2 stereo channels + 600W dedicated subwoofer channel for thunderous, layered sound
• TPA3255 Chipset: Texas Instruments' flagship Class-D amplifier IC — industry-leading efficiency with ultra-low THD+N for audiophile-grade fidelity
• Bluetooth Connectivity: Wireless audio streaming from smartphones, tablets, PCs, and more — no cables required
• 2.1 Channel Configuration: Dedicated left, right, and subwoofer outputs for a full, immersive soundstage
• Stainless Steel Build: Robust, premium housing designed for long-lasting performance in demanding environments
• High Efficiency Class-D Design: Runs cool and efficiently, making it ideal for extended listening sessions
• Versatile Compatibility: Works with passive speakers, subwoofer cabinets, PA systems, and home audio setups

Specifications

Perfect For

• Home theater and hi-fi audio systems
• DJ booths and live sound setups
• Recording studios and rehearsal spaces
• Powered subwoofer and satellite speaker arrays
• Audiophiles upgrading from conventional AVR receivers

Why the TPA3255 Matters

The Texas Instruments TPA3255 is widely regarded as one of the best Class-D amplifier chips available. It achieves up to 96% efficiency and an exceptionally low Total Harmonic Distortion + Noise (THD+N) rating, meaning you get powerful, crystal-clear audio with virtually no unwanted coloration or noise floor. Learn more about audio amplifier technology and Class-D efficiency on Energy.gov – Electronics & Efficiency.

Related Products You May Like

• 1-Channel Mini HD Video Encoder HDMI to IP RTMP SRT HLS H.265
• 1.8M DisplayPort to HDMI Cable 4K – DP Adapter for PC & TV
• 1.8M USB-C to HDMI Cable 4K – MacBook, Laptop & Phone

Learn more: Audio power amplifier

Frequently Asked Questions

Q: What is the total power output of the AS21HPA Bluetooth amplifier?

A: The AS21HPA delivers a combined total of 1200W — specifically 300W per stereo channel (left and right) and 600W dedicated to the subwoofer channel, making it ideal for high-power home audio and professional audio setups.

Q: What is the TPA3255 chip and why is it important?

A: The TPA3255 is a flagship Class-D digital amplifier chip from Texas Instruments. It is renowned for its high efficiency (up to 96%), extremely low harmonic distortion, and ability to drive high-power speaker loads cleanly — resulting in rich, detailed sound reproduction.

Q: Does the AS21HPA support Bluetooth audio streaming?

A: Yes, the AS21HPA features built-in Bluetooth connectivity, allowing you to wirelessly stream audio from smartphones, tablets, laptops, and other Bluetooth-enabled devices with ease.

Q: What types of speakers are compatible with this amplifier?

A: The AS21HPA is compatible with passive stereo speakers and a dedicated passive subwoofer cabinet. It is suitable for home theater speakers, bookshelf speakers, floor-standing speakers, and subwoofer enclosures within the appropriate impedance and power handling range.

Q: Is the amplifier built to last?

A: Yes. The AS21HPA features a stainless steel housing for robust durability, and the Class-D design runs at high efficiency with low heat generation, extending the lifespan of the unit even during prolonged use.