Product Enquiry Form
Delivery Charges
Freight Charges within Australia
Soundgear Australia will do their very best, to ensure your order arrives as quickly as possible. We use an integrated network of post and road companies like StarTrack, TNT, Go Logistics, and Australia Post to deliver Australia wide. We will do our best to ship as quick as possible.
Oversize Items:
- Oversize items or multiple items such as horns, speakers, sports packs, may also incur additional charges to those calculated at checkout. We will contact you with any additional charges.
GENERAL AUDIO (excludes Lecterns-see Lectern pricing below)
Price Range | Cost | Method |
Up to 25 | $15 | Express Post |
$26 to $300 | $25 | Post / Road |
$301 to $500 | $28 | Post / Road |
$501 to $1000 | $30 | Post / Road |
$1001 to $2500 | $45 |
Post / Road |
Oversize Items:
- Oversize items or multiple items such as horns, speakers, sports packs, may also incur additional charges to those calculated at checkout. We will contact you with any additional charges.
Freight charges to W.A /N.T/Far North QLD, Regional and Rural areas:
- Additional charges to those listed may apply.
- Please contact us for a quote.
- If you place an order and we can’t get it to you for the freight charged we will contact you and let you know of the additional charges.
Sending to Residential Addresses:
- For all residential deliveries an additional $27.50 Inc-GST may also be charged for certain brands (Mipro, Bosch, Earthworks, Alfatron, FBT, Antari).
- If we cannot express Post it and it needs to go with a courier service, the additional residential fee will apply.
- If you have placed an order online we will contact you if this additional charge applies. Please feel free to call us on 02 9585 8687 to check the freight charge.
Deliveries to residential address need an “ATL” (authority to leave goods)
- Please leave us a note at check out advising us of an “ATL” ie/porch, front door etc should you not be home to sign.
Price Range | Cost | Method Delivery times |
Zone A | $110 | Zone A Areas (Sydney, Melbourne, Canberra, Adelaide, Newcastle, Wollongong) |
Zone B | $242 | Country /Regional-All states, Perth, QLD -(excluding TAS /N.T) |
Zone C | Quote required for TAS /N.T | |
Note: | Zone A only calculated at checkout. All other zones will need to be charged separately. We will contact you to arrange this. |
**WE DO NOT SHIP OVERSEAS**

QSC AD-S28Tw Double 8" 250w bandpass subwoofer 70/100V/8 (Inc. yoke mount). BlackThe QSC AD-S28Tw Series of installation loudspeaker products from QSC expands with the new AD-S28Tw surface mount subwoofer system. Designed to supplement audio systems by adding low-frequency extension, the new AD-S28Tw is acoustically matched to the entire AD Series. Rated for 250 watts continuous power handling and able to take up to 700 watt peaks, the AD-S28Tw is a great complement to any of the ceiling mount or surface-mount AD Series models
- Dual 8-inch polypropylene cone woofers
- Large port area for extended low-frequency performance
- Dual-chamber ported bandpass cabinet
- Defeatable passive 120 Hz low-pass filter with impedance compensation
- 250 watts continuous power handling, 700 watts peak
- 70/100 V multitap transformer with 8 ohm bypass
- Yoke mount and flying hardware included
- Marine grade plywood construction
- Package Includes:
AD-S28Tw loudspeaker
Yoke mount
Suspension hardware kit
Grille backing cloth
SPECIFICATIONS |
AD-S28Tw |
Configuration | Surface mount bandpass subwoofer, ported |
Low-frequency transducer | Dual 8-inch (200 mm) weather resistant, polypropylene cone woofers, rubber surround |
Frequency range 1 Frequency response (-6 dB) Useable frequency range (-10 dB) | 42 to 165 Hz 36 to 205 Hz |
Filter | 120 Hz low-pass, passive, bypassable |
Maximum output 2 Calculated peak / continuous Output 2 pi (half space) 4 pi (full space) | 124 dB SPL / 118 dB SPL 118 dB SPL / 112 dB SPL |
Nominal impedance | 8 ohms |
Power rating Continuous power handling3 Recommended max amp power | 250 W (2 hours IEC) 500 W (loudspeaker "program" power) |
Sensitivity | 94 dB, 2.83 V at 1 m, half space (2 pi) |
Transformers | |
Type | Custom low distortion laminated core, wide bandwidth design |
Taps | 70V: 200, 100, 50, 25 W; 8Ω bypass 100V: 200, 100, 50 W; 8Ω bypass |
Enclosure | |
Material | Marine grade plywood, ABS, steel grille |
Environmental | Exceeds Mil Spec 810 for humidity, salt spray and dust; IEC 60529 IP-X4 splash rating |
Finish | Textured black paint |
Grille | Painted steel |
Connectors | Four-position barrier strip; 2 in / 2 out |
Mounting Hardware | Black powder coated steel yoke with attachment hardware Black zinc coated forged shoulder steel M6 eyebolts Black powder coated steel shear plates with attachment hardware Black rubber feet with integral threaded bolt |
Net Weight | 43 lb / 19.5 kg |
Shipping Weight | 55 lb / 25 kg |