Condition & What B-Stock Means This unit is sold as B-Stock, which may have minor cosmetic imperfections. All B-Stock items are fully inspected and tested by inMusic's certified engineers.

All units include a 12-month Manufacturer's Warranty for complete peace of mind.

Why Buy From Us?

• Genuine B-Stock sourced and certified by inMusic Brands
• Significantly better price for value
• Fully tested and repaired in-house
• Fast dispatch: order before 13:00 Mon - Fri for same-day shipping
• Manufacturer-direct aftersales support - as the brand behind the product,
  our support team offers unmatched expert assistance

Alto Professional TS412 - Key Features

• 2500-Watt Class D Bi-Amplified Design — 2500W peak (1600W LF + 900W HF) / 1250W continuous RMS with fanless cooling for clean, quiet, and long-term reliable performance
• 12" Low-Frequency Driver — 2.5" (63mm) high-temperature voice coil woofer delivering 800W RMS at 2Ω for powerful, room-filling low end
• 1" Exit Ceramic Compression Driver — 1.4" (35mm) coil HF driver with a 90° x 60° horn pattern for clear, directional high-frequency projection
• Built-In 3-Channel Mixer — two XLR+1/4" TRS combo Mic/Line input channels with independent gain controls and mic/line switches, plus a dedicated Bluetooth channel; no external mixer required
• Bluetooth Streaming & True Wireless Stereo — stream directly from any device and wirelessly link two TS412 speakers in perfect stereo via Bluetooth TWS — no cables needed
• DSP Speaker Use Modes & Alto App Control — three onboard preset modes plus a Custom EQ accessible and configurable remotely via the free Alto App (iOS & Android), with settings saveable directly to the speaker
• Versatile Mounting Options — pole-mountable via standard 36mm socket, usable as a wedge floor monitor, or flown via integral M10 suspension points
• USB Charging Port & Electronic Protection — 5V/2.1A USB charging port plus electronic clip, thermal, and transducer overdrive protection for reliable continuous use

Technical Specifications

• System Type - 2-way active powered loudspeaker
• LF Driver - 12.0" (305mm), 2.5" (63mm) HT voice coil, 800W RMS @ 2Ω
• HF Driver - 1.0" exit ceramic, 1.4" (35mm) coil, 450W @ 4Ω
• Output Power - 2500W peak (1600W LF + 900W HF) / 1250W RMS (800W LF + 450W HF)
• Crossover Frequency - 2kHz
• Frequency Response - 53Hz – 20kHz (±3dB)
• Frequency Range - 44Hz – 20kHz (-10dB)
• Horn Coverage - 90° horizontal x 60° vertical
• Max SPL - 132 dB peak / 129 dB continuous @ 1m
• Inputs - 2x XLR+1/4" TRS combo (balanced Mic/Line)
• Outputs - 1x XLR (Link)
• Mic/Inst. Gain Range - -∞ to +50 dB
• Line Gain Range - -∞ to 0 dB (+4 dBu nominal)
• USB Charging - 5V / 2.1A
• Power - 100–240V~, 50/60Hz, IEC connection, 1100W consumption
• Enclosure - injected molded with perforated metal grille
• Dimensions - 606.5 x 353.5 x 350.5 mm (23.9" x 13.9" x 13.8")
• Weight - 15 kg (33 lbs.)

FAQ

How long is the included warranty? All products include a 12-month warranty. Should you encounter any issues, please contact our support team directly via the "Message Seller" feature.

Why are there no pictures of the actual product? To maintain efficiency, we use stock imagery; however, all B-Stock and refurbished units are thoroughly vetted by inMusic technicians. While not brand new, every unit is fully tested to ensure it functions exactly as expected.

When will my order arrive? Orders before 13:00 Mon–Fri ship same day for Next Working Day delivery. Orders after 13:00 ship the following working day. Weekend orders ship Monday.

Can I Click & Collect? Currently not available. Please use our standard delivery option and make sure the delivery address you enter is your home address or another spot you can easily access (like work or a trusted friend's place)

Can I visit your warehouse? For safety reasons our warehouse is not open to the public. Please contact our support team via the listing if you have specific product questions.

Will you accept offers? Prices are fixed to ensure fair value for all customers. However, if you have a question, feel free to message us.