DW-305 Infrared Wireless Microphone Amplifier
A 2 × 70 W classroom amplifier with a built-in three-channel infrared receiver, DSP tone control and feedback suppression. It drives up to four speakers and covers teaching rooms up to 200 m².
- Three infrared channels for two microphones and one page-flipping presenter.
- 2 × 70 W at 8 Ω (2 × 130 W at 4 Ω), with outputs for up to four speakers.
- Built-in digital sound card and USB camera input for recording and hybrid teaching.
Overview
Key features
- Three infrared channels for two microphones and one page-flipping presenter.
- 2 × 70 W at 8 Ω (2 × 130 W at 4 Ω), with outputs for up to four speakers.
- Built-in digital sound card and USB camera input for recording and hybrid teaching.
- Two RJ45 ports accept up to four remote infrared sensors.
- Feedback suppressor, DSP tone adjustment and 100 dB dynamic range.
- Balanced XLR input with 48 V phantom power and 1/4-inch microphone input.
The DW-305 is a 2 × 70 W classroom amplifier with a built-in three-channel infrared receiver, DSP tone control and feedback suppression. It drives up to four speakers and covers teaching rooms up to 200 m².
Two RJ45 sensor ports accept up to four remote infrared sensors for difficult room layouts. Contact Seekika Audio for speaker loads and room coverage advice.
What’s in the box
- DW-305 amplifier
- Power cord
- Rack-mount hardware
- User guide
Specifications
Audio & wireless
| Infrared channels | 3 channels |
|---|---|
| Selectable channels | 3 |
| Frequency response | 50 Hz–20 kHz ±3 dB |
| THD | <0.05% |
| Signal-to-noise ratio | ≥78 dB (MIC1.2), ≥80 dB (LINE), ≥98 dB (IR MIC) |
| Dynamic range | 100 dB |
| Frequency stability | ±0.005%(-10℃-40℃) |
Power & charging
| Rated power | (8Ω) 2 × 70 W; (4Ω) 2 × 130 W |
|---|---|
| Input sensitivity | 20 mV(MIC1.2), 700 mV(LINE) |
| Input impedance | 22KΩ(MIC1.2), 390Ω(LINE) |
Connectivity & control
| Inputs | 2 × RJ45 ports(connect Max.4 IR sensors); 2 × audio inputs; 1 × 1/4"MIC in; 1 × (48 V phantom power)XLR input; 1 × USB digital sound card; 2 × USB multimedia interfaces; |
|---|---|
| Outputs | 2 × mixing audio output; 1 × Mic out; 4 sets of speaker ports |
Applications
Planning a classroom or campus project?
Share your floor plan and room schedule — we will recommend microphone coverage, speaker placement and kit configuration.
Frequently Asked Questions
Which rooms is the DW-305 designed for?
The DW-305 is typically installed in classroom, training room, primary & secondary school, hybrid learning. Room size, ceiling height and speaker layout determine the final configuration — send us a floor plan and our team will recommend a layout.
How many infrared channels does the DW-305 support?
The DW-305 offers 3 selectable infrared channels. Several microphones can operate in the same room on separate channels; match each microphone and receiver to the same channel to avoid cross-talk.
What certifications and warranty are available for the DW-305?
Seekika Audio supplies CE, RoHS and FCC compliance documentation for its classroom audio products. Classroom audio products carry a standard 2-year warranty against manufacturing defects, with extended coverage available on project orders.
- OEM / ODM customization
- CE, RoHS & FCC documentation
- System layout and commissioning support
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