also XH-SERIES (AD-9900) – Xtreme Bass Power Amplifier

Unleash the power of extreme low-end performance with also XH-SERIES (AD-9900) Xtreme Bass Amplifier, a powerhouse engineered specifically for sub-bass and high-demand audio reinforcement applications. This professional-grade amplifier is the ultimate choice for large-scale concerts, festivals, auditoriums, and high-performance PA systems where deep, clean, and controlled bass is non-negotiable.

Delivering an impressive 2 × 2200W at 8Ω, 2 × 3900W at 4Ω, and a massive 2 × 5500W at 2Ω stereo, the AD-9900 provides unmatched flexibility across various load configurations. In bridge mode, it powers up to 5000W at 8Ω and a staggering 7300W at 4Ω, making it ideal for driving powerful subwoofer arrays with consistent stability and punch.

The amplifier uses advanced Class D/HD output circuitry. This design delivers high-efficiency performance with minimal heat buildup. It also ensures long-term reliability, even during continuous use. Tailored for sub-bass applications, the AD-9900 has a focused frequency response of 20Hz to 190Hz (+0/-1dB).  The input sensitivity options (0.75V, 1.0V, 1.4V) allow seamless integration with different mixers and processors. With an input impedance of 20kΩ, it supports smooth signal flow without distortion but The AD-9900’s exceptional Signal-to-Noise Ratio (109dB) guarantees ultra-clean output with zero background interference, even in high-gain settings.

A damping factor of ≥3500 provides tight, accurate control over speaker cone movement—delivering chest-thumping bass with precision and clarity. The Total Harmonic Distortion (THD) of only 0.05% at 8Ω ensures faithful sound reproduction without coloration or unwanted noise.

The AD-9900 is built to withstand the rigors of touring and professional use. It features a durable 3U rack-mountable chassis and weighs 39 kg. Its solid construction ensures long-lasting performance. Combined with its high-efficiency design, it is an ideal choice for demanding subwoofer applications.

Frequently Asked Questions (FAQs)

1. What is the Audiotone XH-SERIES AD-9900 Amplifier designed for?

The Audiotone XH-SERIES AD-9900 is a professional Xtreme Bass Amplifier specifically designed for subwoofer systems, concerts, festivals, DJ sound systems, auditoriums, nightclubs, and large-scale sound reinforcement applications.

2. How much power does the AD-9900 deliver?

The AD-9900 delivers 2 × 2200W at 8Ω stereo, 2 × 3900W at 4Ω stereo, and 2 × 5500W at 2Ω stereo. In bridge mode, it provides up to 7300W at 4Ω, making it ideal for powering professional bass systems and subwoofer arrays.

3. Is the AD-9900 optimized for subwoofer applications?

Yes. The amplifier features a dedicated frequency response of 20Hz–190Hz, specifically optimized for sub-bass frequencies, delivering deep, powerful, and controlled low-end performance.

4. What amplifier technology does the AD-9900 use?

The AD-9900 utilizes advanced Class D/HD output circuitry, providing maximum efficiency, reduced heat generation, lower power consumption, and reliable high-power operation.

5. What is the benefit of the damping factor of ≥3500?

A damping factor greater than 3500 offers exceptional control over speaker cone movement, resulting in tighter bass response, improved accuracy, and powerful low-frequency performance.

6. Can the AD-9900 be used for concerts and outdoor sound systems?

Absolutely. Its high power output, professional-grade construction, and stable performance make it ideal for concerts, outdoor festivals, touring sound systems, and large event productions.

7. What audio quality features does the AD-9900 offer?

The amplifier provides a high signal-to-noise ratio of 109dB, low THD of 0.05%, excellent speaker control, and clean bass reproduction with minimal distortion even at high output levels.

8. What input sensitivity options are available on the AD-9900?

The amplifier offers selectable input sensitivity settings of 0.75V, 1.0V, and 1.4V, ensuring compatibility with professional mixers, DSP processors, crossovers, and audio controllers.

9. Is the AD-9900 suitable for touring and rental sound companies?

Yes. The rugged 3U rack-mount chassis, durable construction, and high-efficiency design make it an excellent choice for touring professionals, rental sound companies, and event production businesses.

10. Why choose the Audiotone XH-SERIES AD-9900 Xtreme Bass Amplifier?

The Audiotone AD-9900 combines powerful bass output, advanced Class D/HD technology, ultra-high damping factor, low distortion, and professional-grade reliability, making it an ideal amplifier for subwoofers, concerts, DJ systems, and large-scale sound reinforcement applications.