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[China]
Trade Verify
Address: Address:No 8 Dejin Industrial Park Lishui Twon,Nahai,Foshan Guangdong China
Contact name:Ye
Foshan Subole Electronic Technology Co., Ltd. |
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Class AB 2 X 450W Stage Power Amplifier for Karaoke with Cooling System
Description
Efficiency: While Class AB amplifiers are more efficient than pure Class A amplifiers, they are generally not as efficient as Class D amplifiers. However, they strike a balance between efficiency and sound quality, making them well-suited for karaoke applications where sound fidelity is important.
Power Output: Karaoke power amplifiers are typically rated in terms of their power output per channel, usually measured in watts. The power rating determines the amplifier's capability to deliver sound at a certain volume level and dynamic range. Consider the power rating of the amplifier based on the size of the venue and the speaker requirements of your karaoke setup.
Quick Detail
| Load Impedance | 8Ω | 4Ω | 2Ω |
| Stereo Output | 2 X 450W | 2 X 720W | 2 X 1080W |
| Bridge Output Power | 1100W | ||
| Input Impedance | 20k ohms balanced , 10k ohms unbalanced | ||
| Frequency Response | 20Hz-20kh,+0,-0.5dbat 1w ant | ||
| THD(at rated power) | ＜0.05% 20Hz-20KHz | ||
| Slew Rate | ＞40V/ms | ||
| NOISE(A weighted) | ≥105dB | ||
| Damp Modulus | 300 | ||
| Output Category | ClassAB | ||
| Cooling | Two DC Fans | ||
| SENSITIVITY(max gain) | 1.1Vrms, for rated power | ||
| CROSSTALK | >80dB | ||
| Input Voltage | 180-240V | ||
| INDICATORS | LED | ||
| Protection | Temperature, DC, short, Turn-on/Turn-off | ||
| Dimensions (W x H x D), mm | 435mm*132mm*432mm | ||
| Gross Weigh | 22.2KG | ||
| Packing Dimensions | 0.07m³ | ||
Advantage Of Factory
Our company was established in 1998, specializing in the development, production, and sales of audio electronic products for over 20 years. Complete equipment, advanced production technology, multiple high-efficiency assembly lines, semi-automatic production, ensuring quality and quantity. With strong technology and advanced management experience, perfect after-sales service (for example: after-sales troubleshooting, maintenance consulting, spare parts replacement, etc.) based on the forefront of the audio industry, dedicated to new and old customers for a better tomorrow.
