The Sound Town PS-18SP3B2.1 line array set includes: (1) CARPO-18SPW 2000W 18" Powered Subwoofer (1) CARPO-P3B Pair of High-Power 500W Passive Column Line Array Speakers* (1) STSDA-M54B Pair of Subwoofer Speaker Poles (1) STSD-D2.0-PAIR Dual Speaker Mounting Adaptor *Required: (2) STC-12NN10 Speakon Cable (sold separately) This comprehensive audio system is designed to provide powerful and refined sound coverage for a variety of venues. The CARPO-P3B line array column speaker system includes 2 column line array speakers, each equipped with dual 5" woofers and dual 3/4" compression drivers with linear horns, delivering high-power performance, capable of 250W RMS and 500W program at 8Ω, ensuring a balanced and crisp audio experience. The powerful CARPO-18SPW features 18" low-frequency driver with 4" voice coil, delivering solid and mighty bass reinforcement. Two 1/4" & XLR combo inputs, two XLR and two Speakon outputs provide great compatibility when combined with CARPO-P3B line array column speakers. The CARPO-P3B column speaker can be quickly and easily stacked onto the CARPO-18SPW subwoofer using the STSDA-M54B mounting pole and STSD-D2.0-PAIR mounting adaptor. This ground-stack setup is ideal for live sound environments, clubs, bars, restaurants, churches, school auditoriums, and much more, offering versatile and powerful sound coverage. The optional ZSCB-VX18S caster board further enhances the system's mobility, making transportation effortless. Constructed from high-quality birch plywood and reinforced with a heavy-duty metal grille, the PS-18SP3B2.1 line array set exemplifies tour-level craftsmanship. This durable design is engineered to minimize distortion at high volumes, delivering the clean and rich audio performance expected from professional-grade audio equipment. FEATURES SOUND TOWN 2.1 CHANNEL COLUMN ARRAY SET: The Sound Town PS-18SP3B2.1 line array set includes (1) CARPO-18SPW 18" powered subwoofer, (1) CARPO-P3B passive column line array speaker system (2 in total), (1) STSDA-M54B mounting poles and (1) STSD-D2.0-PAIR dual speaker mounting adaptor. GROUND-STACK SETUP: The CARPO-P3B column speaker can be quickly and easily stacked onto the CARPO-18SPW subwoofer using the STSDA-M54B mounting pole and STSD-D2.0-PAIR dual speaker mounting adaptor. This setup is ideal for a variety of venues, including live sound environments, clubs, bars, restaurants, churches, school auditoriums, and much more, providing versatile and powerful sound coverage. With the optional ZSCB-VX18S caster board, transportation becomes effortless. CARPO SERIES CARPO-P3B COLUMN SPEAKER: The CARPO-P3B line array column speaker system includes 2 column line array speakers, each equipped with dual 5" woofers and dual 3/4" compression drivers with linear horns, delivering high-power performance, capable of 250W RMS and 500W program at 8Ω, ensuring a balanced and crisp audio experience. CARPO SERIES CARPO-18SPW ACTIVE SUBWOOFER: The powerful CARPO-18SPW features 18" low-frequency driver with 4" voice coil, delivering solid and mighty bass reinforcement. Two 1/4" & XLR combo inputs, two XLR and two Speakon outputs provide great compatibility when combined with CARPO-P3B line array column speakers. TOUR-LEVEL CRAFTSMANSHIP: Constructed from high-quality birch plywood and reinforced with a heavy-duty metal grille, the PS-18SP3B2.1 line array set is designed to minimize distortion at high volumes, delivering clean and rich audio performance you can expect from tour-quality craftsmanship. SPECIFICATIONS Specifications Model CARPO-18SPW CARPO-P3B Active / Passive Active Passive Frequency Range 35 Hz - 180 Hz 87 Hz - 20K Hz Frequency Response 38 Hz - 180 Hz 92 Hz - 20K Hz Sensitivity 99 dB 94 dB, 1W @ 1 SPL Max 126 dB 122 dB Dispersion -- 120º x 20º Degrees Configuration 18" active 2.1-channel subwoofer dual 5" woofers and dual 3/4" compression drivers Transducer LF: 1 x 18", HF: -- LF: 2 x 5", HF: 2 x 0.75" Voice Coil 4.0" 1.5" Magnet 100 oz 21 oz Impedance 8Ω 8Ω Power Handling 500W + 2x 250W RMS / 2000W + 2x 500W Peak 250W RMS, 500W PROGRAM Enclosure Material High-grade 100% birch plywood High-grade 100% birch plywood Mounting Hardware M20 mounting socket on the top U Bracket, CWB-1A-PAIR Optional Omnimount Bracket, CARPO-PFF Optional Flying Frame Finish Texture coating Texture coating Grill & Rigging Component Steel with anti-corrosion coat Steel with anti-corrosion coat Amplifier Class-D, 2.1-channel -- Input 2 x XLR-1/4" combo (line input) Speakon & Euroblock Output 2 x XLR (thru line out), 2 x speakon (power output) Speakon & Euroblock Signal Processing 200 Hz HPF for satellite, 40-180 Hz LPF for subwoofer -- Control Subwoofer: polarity, volume; Satellite: L/R balance, volume -- Indicator Power, clip -- Voltage 100V-240V (50-60 Hz) 100V-240V (50-60 Hz) Plate Amp Part# STPA21-710 -- High Frequency Driver Parts# -- CARPO-PK-HF Low Frequency Woofer Parts# STLF-1804-4 STLF-CARPO-P3 Horn Parts# CARPO-P-HORN Dimension & Weight Model CARPO-18SPW CARPO-P3B STSDA-M54B STSD-D2.0-PAIR Product Width (in.) 20.9" 6.5" (each) ∅1.38" (each) 26.8" Product Height (in.) 23.6" 21.3" (each) 34.7"~53.6" (each) 9.4" Product Depth (in.) 21.7" 8.5" (each) --" --" Product Weight (lb.) 94.6 lbs 21.5 lbs (each) 5.5 lbs 5.4 lbs Package Width (in.) 25.5" 11.4" 2.4" 27.2" Package Height (in.) 28.0" 24.7" 36.0" 6.7" Package Depth (in.) 24.2" 17.1" 4.6" 2.2" Package Weight (lb.) 99.0 lbs 48.0 lbs 6.4 lbs 5.8 lbs Warranty/Certifications Manufacturer Warranty 1 Year DOWNLOADS ▶ CARPO-P User Manual (V2), purchased after 09.25.25▶ CARPO-P User Manual (V1), discontinued