Multi channel 3U Professional Power Amplifier 
Specifications: QH series 3 channels 3U
Model No. ( QH 3 channel) | QH350 | QH360 | QH350i | QH360i |
| Output power stereo mode at 8 ohms | A channel | 350W | 600W | 350W | 600W |
| B channel | 350W | 600W | 350W | 600W |
| LOW channel | 900W | 1200W | 350W(M) | 400W(M) |
| Output power stereo mode at 4 ohms | A channel | 600W | 1000W | 600W | 1000W |
| B channel | 600W | 1000W | 600W | 1000W |
| LOW channel | 1700W | 2300W | 600W(M) | 700W(M) |
| Input sensitivity | 0dB(0.775Vrms)/1.4V/26dB |
| Frenquency response | 20-20000Hz(±0.3dB) |
| Slew rate | ≥30V/us |
| Damping factor | A,B≥400:1 LOW≥600:1 |
| Cross talk | >60dB@1KHz |
| S/N | >90dB |
| THD+N | <0.1%,1KHz |
| IMD | <0.2%8Ω,1KHz@1W |
| Dimensions (WxHxD) | 483x132x487mm
|
Specifications: QH series 4 channels 3U
Model No. ( QH 4 channel ) | QH435 | QH460 |
| Output power stereo mode at 8 ohms | 4x350W | 4x600W |
| Output power stereo mode at 4 ohms | 4x600W | 4x1000W |
| Input sensitivity | 0.775Vrms |
| Frenquency response | 20-20000Hz(±0.3dB) |
| Slew rate | ≥30V/us |
| Damping factor | ≥400:1 |
| Cross talk | >60dB@1KHz |
| S/N | >90dB |
| THD+N | <0.1%,1KHz |
| IMD | <0.2%8Ω,1KHz@1W |
| Dimensions (WxHxD) | 483x132x487mm
|
Product Highlights:.Designed specially for entertainment engineering. Inheriting high stability and nice timbre from ON power amplifier.
.Novel appearance design with compact structure and exquisite workmanship.
.Excellent signal conversion with very less harmonic and inter-modulation distortion.
.Perfect protection system with peak detection circuit to protect the speakers.
.Pure and natural timbre with crystally bright medium and high frequency, plump and elastic bass.
.Full function high speed protection circuit with quality ring transformer and world class H electricity.
.Carefully selected and repeatedly tested material make this series with natural clear tone, dynamic strong sound, clear high, middle and low frequency.
.Applicable to bar , saloon, entertainment applications , meeting room and theatres.
Product packing: Each piece of product with polyfoam protection packed into a paper carton. Or packed as per client's request.
Good Service to you:1. Manufacturing with Dolsi brand.
2. Manufacturing with your brand ( OEM).
3. Manufacturing with your design, your specification and your brand ( ODM).
4. Closely following up, fluent communication, quick feedback and action to any of your query or request for sampling, order, production,shipment, documents and after-sales service.
Our brand, Dolsi, is similar in pronunciation of Chinese Pinyin "douniushi" which means matador. The matador, originating from Spain, is famous all over the world with perfect combination of confidence, art and power.
With over ten years of experience in the audio field, Dolsi Audio is a manufacturer focusing in research, development and manufacturing of high quality audio equipment, including professional power amplifier, speaker, and other audio peripheral products.
Starting from traditional analog circuit, after hard working of our senior Engineers, Dolsi developed over ten series of amplifiers covering classic analog technology, high efficiency TD electric circuit, digital amplification and professional audio system. Co-operation with famous suppliers America ON, Japan Toshiba and SANKEN ensures our advantage of technology updating and product reliability.
Understanding well the demand to audio equipment performance from the clients, Dolsi engineers configures product functions with various structures and features based on different applications to make variety of products widely used in MID to high level applications.
Quality is our business life. Dolsi product passed CCC, CB, CE and RoHS certification. We always stick to quality first, customer supremacy and service success. Believing only the better, no the best, Dolsi is in progress due to the feedback of clients.
Product quality is our life and progress relies on. DOLSI audio products passed CCC, CB and CE certification.
We understand well about the real demand to the performance of audio equipment from different types of applications. Dolsi engineers configures the functions with different structure and feature based on different applications, coming out variety of product series widely used in MID to high level entertainment places, theatre, stadium, outdoor performance, nightclub, indoor show, bar saloon and multiple-function hall.
Dolsi always sticks to philosophy of quality first, customer supremacy and service success. Believing only the better, not the best, Dolsi is in progress with every client's feedback.
Dolsi products have been sold all over the world. OEM production made for several famous brands. In the future, we will return the society with better products and service. Every client, thanks for your support and rely on us!
