When you need serious low-end for your band or DJ setup but don't want to haul around separate subs, the SA-155T puts dual 15" woofers in one cabinet that you can actually afford. This isn't boutique gear, but it's built to do the job night after night without leaving you broke or broken down on the side of the road.

Each cabinet pushes 700 watts RMS and can handle peaks up to 1400 watts, giving you the headroom to handle those unexpected vocal spikes or bass drops without distortion. The dual 15" drivers with their 50-ounce magnets and 2" Kapton voice coils move enough air to fill medium to large venues, while the 1.5" titanium compression driver keeps your highs crisp through that 14" x 7" horn. At 96dB sensitivity and 4-ohm impedance, these work efficiently with most power amps in the 1000-1500 watt range.

The SA-155T covers 45Hz to 20kHz, which handles most live music and DJ applications without additional subs. You're getting bass response that reaches down into kick drum fundamentals and sub-bass territory that many single 15" speakers just can't touch. The cabinet construction is what you'd expect from road-worthy PA gear: 5/8" plywood, metal corners, steel grille, and carpet covering that can take the inevitable dings from load-in.

At 73 pounds each, these aren't lightweight, but the recessed handles make them manageable for a two-person crew. The dual inputs (both 1/4" and Speakon) let you daisy-chain multiple cabinets or use whatever cables you already have in your snake box.

Bottom line: If you need the low-end punch of dual 15s for venues up to 400 people indoors without the cost and complexity of a separate sub system, the SA-155T delivers working musician value for bands, DJs, and venues that need reliable bass response.

Technical Specifications

  • Power (Peak): 1400 Watts
  • Power (RMS): 700 Watts
  • Woofer: Dual 15" with 50 oz magnets, 2" Kapton voice coils
  • HF Driver: 1.5" titanium compression driver, 10 oz magnet, 1" throat
  • Horn: 14" x 7"
  • Frequency Response: 45 - 20,000 Hz
  • Sensitivity: 96 dB
  • Impedance: 4 ohms
  • Crossover: 12/18dB per octave at 3000 Hz, passive
  • Inputs: Dual 1/4", Dual Speakon
  • Connectivity: Daisy-chain capable
  • Cabinet: 5/8" plywood, black carpet, metal corners
  • Dimensions: 45" H x 18" W x 16" D
  • Weight: 73 lbs
  • Ports: Dual ported
  • Warranty: 1 Year
  • Recommended For: Bands, DJs, venues, churches, outdoor events

Frequently Asked Questions

What size venue can the SA-155T handle?

Each cabinet covers venues up to 400 people indoors or 250 outdoors. The dual 15" configuration gives you enough output for wedding receptions, club gigs, and medium church sanctuaries. For larger venues or if you need more sub-bass impact, you'll want to add dedicated subs or run multiple cabinets.

What amplifier power do I need?

Match these with an amp rated for 700-1000 watts at 4 ohms. Most pro power amps in the 1000-1500 watt range work well. The 96dB sensitivity means you'll get good volume even with moderate power, but having that extra headroom keeps things clean when the music gets dynamic.

Do I need a subwoofer with these speakers?

For most live band and vocal applications, the dual 15s give you enough bass response down to 45Hz without additional subs. But if you're spinning electronic music, hip-hop, or anything that relies heavily on sub-bass below 40Hz, adding dedicated subs will let the SA-155T focus on midrange clarity while the subs handle the deep low end.

How do these compare to single 15" PA speakers?

You're getting significantly more bass output and power handling than single 15" speakers, which makes the SA-155T better suited for larger venues and bass-heavy music. Single 15s are more portable and cost-effective for coffee shop gigs, but when you need that low-end punch for full band performances, dual 15s deliver what single drivers can't.

ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more
Brand
Model
  • SA-155TSingle Passive 2x15" Titanium Horn 700w Speaker
Finish
  • Black
Categories
Year
  • 2015

Product safety information may be available here.

Seismic Audio Speakers

Memphis, TN, United States
Joined Reverb:2014

Reverb Protection

Simple Returns, Secure Transactions, Human Support

Learn more

Secure Checkout

Promoted similar listings













Product reviews

Reverb Gives

Your purchases help youth music programs get the gear they need to make music.

Oops, looks like you forgot something. Please check the fields highlighted in red.