DB-450 4-Channel Digital Power Amplifier
DB-450 is a 4-channel professional amplifier for compatible KTV, teaching, conference and event systems.
SKU:Q00017
PROFESSIONAL AUDIO · B2B SOURCING
DB-450 is titled as a four-channel amplifier, but the source heading calls it two-channel and the power fields state 4×300 W at 8 Ω versus 2×550 W at 4 Ω. This channel-count conflict must be confirmed before ordering.
DB-450 is titled as a four-channel amplifier, but the source heading calls it two-channel and the power fields state 4×300 W at 8 Ω versus 2×550 W at 4 Ω. This channel-count conflict must be confirmed before ordering.
| Model | DB-450 |
| Channels | 4 |
| 8 Ω output | 4×300 W |
| 4 Ω output | 2×550 W (as published; conflicts with 4-channel title) |
| Channel conflict | Title: 4-channel; source heading: 2-channel; 4 Ω rating: 2×550 W |
| Frequency response | 20 Hz–20 kHz, ±0.5 dB at 1 W / 8 Ω |
| THD | 0.02 at 1 kHz / 8 Ω (percent sign not stated; confirm unit) |
| Signal-to-noise ratio | ≥105 dB, A-weighted |
| Damping factor | ≥250 |
| Input sensitivity | 0.775 V / 1.0 V |
| Slew rate | 17 V/µs |
| Input impedance | 20 kΩ balanced / 10 kΩ unbalanced |
| Crosstalk | 75 dB |
| Protection | DC, short circuit, over-temperature and power-switch transient |
| Indicators | Signal, power, distortion and protection LEDs |
| Cooling | Two-level forced tunnel airflow toward rear panel |
| Connection terminal | “Canon” stated; confirm exact XLR/connector configuration |
| AC versions | 110–120 V or 220–240 V, 50/60 Hz; internal jumper stated |
| Operating temperature | 0–50°C |
| Dimensions | 480 × 340 × 48 mm |
| Net weight | 4.8 kg |
| SKU | Q00017 |
Suitable for compatible KTV, teaching, conference rooms, multifunction halls, weddings and entertainment sound systems. Confirm AC setup, connector configuration, distortion unit, rack fit and packing.
Contact ELEGAUDIO for pricing, quantities, availability, packing details and project requirements. Include destination market, quantity and intended application.
What output power is published?
4×300 W at 8 Ω and 2×550 W at 4 Ω; confirm whether the latter should be four channels.
Which applications are listed?
KTV, teaching, conference, multifunction halls, weddings and entertainment.
Which protection functions are provided?
DC, short circuit, over-temperature and switch-on/off transient protection.
Why confirm the connector?
The source uses the term “Canon” but does not specify the exact connector arrangement.
Is DB-450 a two- or four-channel amplifier?
The current source conflicts; request a rear-panel photo and current datasheet.
Request current pricing, availability and distributor support.
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