Description
4D Furnishers HSWA-152
Use Case 1: Independent Control for Dual Subwoofers (0.1 + 0.1 Setup)
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The Precision Balance Advantage: The HSWA-302 features a dedicated hardware Balance Control Knob. This allows you to increase or decrease power on either side independently. You can perfectly balance a larger sub with a smaller sub or tune individual corners to conquer room acoustics flawlessly.
Use Case 2: External Power Amplifier Mode for Bookshelf Speakers
High-end front bookshelf speakers or multi-driver center arrays choke standard AV Receivers during sudden, dynamic movie sequences.
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The Direct Mode Solution: Engaging the physical Direct Mode switch completely deactivates the low-pass filter, transforming the HSWA-152 into a full-bandwidth, ultra-low distortion dual-mono block power amplifier.
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Massive Soundstage Expansion: By taking the massive current load of your heavy front towers off your AVR, your theater gains endless physical headroom, absolute vocal clarity, and crystal-clear instrument separation.
Technical Specifications
| Feature / Parametric Data | Technical Architecture Specs |
| Application Profile | Dual Subwoofer Power Engine / Dual-Mono Block Tower Amp |
| Circuit Topology | Premium High-Current MOSFET/BJT Class AB Layout |
| Total Power Capacity | 400 Watts Peak (100W RMS Continuous per channel @ 4 Ohms) |
| Power Transformer Core | Heavy-Duty Industrial Pure Copper Core |
| Thermal Management | Over-Sized CNC Aluminum Heat Sink |
| Dynamic Controls | Master Gain, Sub-Frequency Sweep, Hardware Balance Control Knob |
| Filter Configuration | Toggleable Direct Mode (Bypass LPF for Full Range 10Hz – 20kHz) |
| Speaker Safety Matrix | Intelligent Soft-Start Relay & Stereo DC Protection Circuit |
| Chassis Dimensions / Weight | 37 x 28 x 11 cm | Solid 6.0 Kilograms |
Frequently Asked Questions
Q: Can the HSWA-152 handle two completely different sizes of subwoofers?
A: Yes, absolutely! Thanks to the unique integrated Balance Control Knob, you can run a 10-inch sub on Channel A and a 8-inch sub on Channel B. You can dial down the gain for the smaller enclosure and crank it up for the larger driver to achieve perfect acoustic blending in your room.
Q: How do I hook up the HSWA-152 to an AV Receiver without standard RCA Pre-Outs?
A: Just like its smaller brothers, if your AVR lacks dedicated Pre-Out channels, you can run the speaker-level output wires into a High-to-Low Impedance Converter. 4D Furnishers will ship a high-quality audio converter completely FREE with your order upon request to ensure you can upgrade any system out of the box!
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