DW-315 Compact Infrared Wireless Microphone Amplifier
A slim 2 × 130 W infrared amplifier for large classrooms up to 400 m². Its built-in receiver and sensors remove the need for separate sensor installation, and RS-232 control connects it to a campus management platform.
- Three infrared channels for two microphones and one wireless presenter.
- 2 × 130 W at 4 Ω, with terminals for up to four speakers.
- Covers large classrooms up to 400 m² without separate infrared sensors.
Overview
Key features
- Three infrared channels for two microphones and one wireless presenter.
- 2 × 130 W at 4 Ω, with terminals for up to four speakers.
- Covers large classrooms up to 400 m² without separate infrared sensors.
- Built-in digital sound card for recording and hybrid-teaching streams.
- RS-232 remote control for campus AV platforms.
- Compact 1U chassis, 420 × 242 × 70 mm.
The DW-315 is a slim 2 × 130 W infrared amplifier for large classrooms up to 400 m². Its built-in receiver and sensors remove the need for separate sensor installation, and RS-232 control connects it to a campus management platform.
Three infrared channels support two microphones and one wireless presenter. Contact Seekika Audio for mounting and speaker configuration.
What’s in the box
- DW-315 amplifier
- Power cord
- Rack-mount hardware
- User guide
Specifications
Audio & wireless
| Infrared channels | 3 channels |
|---|---|
| Selectable channels | 6 |
| Frequency response | <0.05% |
| THD | 50 Hz–20 kHz±3 dB |
| 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 | (4Ω) 2 × 130 W |
|---|---|
| Input sensitivity | 20 mV(MIC1.2), 700 mV(LINE) |
| Input impedance | 22KΩ(MIC1.2), 390Ω(LINE) |
Connectivity & control
| Inputs & outputs | 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 × mixing audio output; 1 × Mic out; 4 sets of speaker terminals; 1 × RS-232 teminal(3 pins) |
|---|
Physical
| Dimensions | 420(L) × 242(W) × 70(H) |
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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-315 designed for?
The DW-315 is typically installed in classroom, university lecture hall, training room, 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-315 support?
The DW-315 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-315?
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
- Reply within one business day
