JBL

Professional 104

Compact Reference Monitors

Specifications

LF Driver: 4.5 in (118 mm)
HF Driver: 0.75 in (19 mm), soft dome
Crossover: 1725 Hz, 1st order
Input Sensitivity: 87 dB / 1 m
Power Amp: 60 W (30 W each speaker), Class D
Maximum Continuous SPL @ 1 meter: 89 dB
Maximum Peak SPL: 102 dB
Maximum SPL (1m): 104 dB (momentary peak)
MAXIMUM PEAK INPUT LEVEL (-10dBV / +4dBu): +6 dBV / +20.3 dBu
Frequency Response (±3 dB): 60 Hz - 20 kHz
SYSTEM DISTORTION CRITERIA: <10% THD at maximum output with full compressor / limiter engagement
ELECTRICAL DISTORTION CRITERIA: <0.2%THD @ 1 kHz, 2.83 VRMS output; <1% THD @ 1 kHz, full rated output
Signal to Noise Ratio: 75 dBA (A-Weighted), 70 dBr (unweighted), relative to 2.83 VRMS output on HF
Coverage Angle: 120º x 120º
Dimensions (H x W x D): 9.72 in x 6.02 in x 4.88 in (247 mm x 153 mm x 124 mm)
ENCLOSURE TYPE: Ported
Enclosure: ABS with metal grille
Enclosure Finish: Matte black acrylic paint
Audio Output Connectors: 1 x 3.5 mm (1/8") stereo headphone with auto speaker mute
Input Connectors: 2 x 1/4-inch (6.5 mm) balanced (+4 dBu); 2 x RCA (-10 dBV); 1 x 1/8-inch (3.5 mm) unbalanced (-10 dBV)
AC INPUT VOLTAGE: 100 – 240 VAC (± 10%), 50/60 Hz
Current Draw: 85 watts
LF Driver Power Handling: 30W, Class D
Maximum Continuous SPL: 92 dB
Net Weight (each): Host Monitor = 4.54 lb (2.06 kg); Extension Monitor = 3.81 lb (1.73 kg)