RCF SUB 8004 Active Subwoofer 2500W 18'
Physical
- Deep bass starts at 30 Hz — feel the rumble even at low volume.
- Gets very loud — up to 136 dB SPL @ 1 m, great for big spaces.
- Built-in DSP & XLR inputs/outputs — you won’t need extra converters or gear.
- Tough real-wood cabinet & steel grille — survives shipping and setup.
- Heavy (56 kg) and quite large — you’ll need help moving it and vehicle space.
- Works under standard safety (CE compliant) and power-connections — no special wiring required.
Product Features
Acoustical Specifications
Frequency Response
30 Hz ÷ 120 Hz
Max SPL @ 1 m
136 dB
Transducers
- Woofer: 1 × 18″, 4.0″ voice coil
Input / Output Section
ParameterDetailsInput SignalBalanced / UnbalancedInput ConnectorsXLROutput ConnectorsXLRInput Sensitivity−2 dBu / +4 dBu
Processor Section
- Hi-Pass Frequency: 120 Hz
- Low-Pass Frequency: 90 Hz
- Protections: Thermal, RMS
- Limiter: Fast Limiter
- Controls: Crossover, Phase switch, Deep/Punch, Output Delay Settings, Cardioid
Power Section
- Total Power: 2,500 W Peak / 1,250 W RMS
- Low Frequencies: 2,500 W Peak / 1,250 W RMS
- Cooling: Convection
Connections
Powercon IN / OUT
Standard Compliance
- Safety Agency: CE compliant
Physical Specifications
- Cabinet / Case Material: Baltic birch plywood
- Hardware: Provision for four-wheel mounting on the rear panel
- Handles: One handle each side
- Pole Mount / Cap: M20 thread
- Grille: Steel with clothing
- Color: Black
Size & Weight
DimensionMetricImperialHeight700 mm27.56 inWidth558 mm21.97 inDepth700 mm27.56 inWeight56 kg123.46 lbs
Product Description
A powerful active 18″ subwoofer capable of 136 dB SPL and deep bass down to 30 Hz in a rugged, pro-grade enclosure.
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