Quest - QX4300 - 4 x Channel Power amplifier, 300W per ch,4Ω-16Ω, 70v-100v, analogue input. Optional Dante/AES67 Version.
SKU QX4300
QX4300
High Performance 4 x 300W Power Amplifier
The Quest QX4300 is a professional 4 x 300W power amplifier housed in a 1U chassis, engineered for maximum performance in compact installations. Featuring advanced load sensing technology that automatically adapts to varying impedance conditions, the QX4300 delivers exceptional audio quality across its channels. Integrated high-pass and low-pass filters, limiters, and a rapid 1ms wake-up time from standby ensure precise control and efficient operation, making it suitable for complex multi-zone commercial and residential systems.
Key Specifications:
- Channels: 4 x 300W (Low-Z & 70/100V)
- Mounting: 1RU Rack
- Optional: Dante/AES67 Version
SPECIFICATIONS
| Maximum Dynamic Power (@ 1kHz, 1% THD) (PEAK) |
|
Total 2200 W |
Normal Operation |
|
8Ω 4x 550W |
4Ω 4x 550W |
70V 4x 550W |
100V 4x 550W |
|
| Maximum Continuous Power (@ 1khz, 1% THD) (RMS) |
|
Total 1120 W |
Normal Operation |
|
8Ω 4x 280W |
4Ω 4x 260W |
70V 4x 250W |
100V 4x 240W |
|
| I/O |
| OUTPUT CIRCUITRY |
UMAC™ Class-D – full bandwidth PWM modulator with ultra-low distortion |
| OUTPUT CHANNELS |
Four Speaker Level Output via 2-pin Euroblock/Phoenix connector with 5.08 mm pitch and screw-lock |
| INPUT CHANNELS |
Four Analogue Balanced Line Level Inputs via 3-pin Euroblock/Phoenix connector with 5.08 mm pitch and screw-lock |
| DEFAULT GAIN |
32 dB |
| FREQUENCY RESPONSE |
20 Hz to 20 kHz (+/-0.3 dB) |
| TOTAL HARMONIC DISTORTION |
0.006% (1 kHz @ 1/8th Power / 8 ohm load) |
| DYNAMIC RANGE |
104 dB (A-weighted) |
| MAXIMUM INPUT LEVEL |
+24 dBu |
| INPUT IMPEDANCE |
10kohm |
| LATENCY |
N/A |
|
| CONTROL |
| CONTROLS AND INDICATORS (FRONT) |
Per Channel: Volume Potentiometer, 80 Hz HPF Switch, 100 Hz LPF Switch, Bridge-Mono Switch, Limiter Switch and Auto-Standby Switch |
| CONTROLS AND INDICATORS (REAR) |
N/A |
| CONTROL AND MONITORING |
N/A |
| DIGITAL SIGNAL PROCESSING |
N/A |
| PROTECTION CIRCUITS |
Thermal protection, Over-Current Protection, DC Protection, HF Protection |
|
| ELECTRICAL |
| MAINS POWER INPUT |
Universal Mains, 100-240V, 50-60 Hz |
| MAINS CONNECTOR |
Standard IEC C14 |
| POWER CONSUMPTION - STANDBY |
4.8 W |
| POWER CONSUMPTION - IDLE |
28 W |
| POWER CONSUMPTION - 1/8TH POWER / 8 ohm Load |
150 W |
| POWER CONSUMPTION - 1/3RD POWER / 8 ohm Load |
400 W |
|
| HEAT |
| HEAT GENERATED - STANDBY |
16.4 BTU/hr / 4.1 kJ per hour |
| HEAT GENERATED - 1/8TH POWER / 8 ohm Load |
273 BTU/hr / 68 kJ per hour |
| COOLING |
Fan-Forced Air Cooling – Temperature-Dependent |
| FAN NOISE (ANECHOIC CHAMBER @ 1 m) |
38 dB(A) |
|
| SIZE |
| RACK SIZE |
1RU |
| DIMENSIONS (W x H x D) |
482 x 44.5 x 344 mm (19 x 1.75 x 13.5") |
| WEIGHT |
5.9 kg (11.7 lbs) |
| SHIPPING DIMENSIONS (W x H x D) |
490 x 80 x 410 mm (19.3 x 3.1 x 16.1") |
| SHIPPING WEIGHT |
8.3 kg (18.3 lbs) |
|
| ACCESSORIES |
| ACCESSORIES (INCLUDED) |
Mains Cable, Feet, Euroblock/Phoenix Plugs |
| ACCESSORIES (AVAILABLE SEPARATELY) |
Dante® 4CH Input Card (QDNT4D), Dante® 4CH Input Card with Switched Output (QDNT4DS), Volume Control Card (QVR4), Wall Plate Volume Control (WPV1) |
| OPTIONS |
Dante® Expansion Card (additional 4 inputs, Dante® AoIP, AES67 compatible) |
|
