Bosch EVF-1181S EVF-1181S-BLK User Manual

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Electro-Voice condenses decades of proven pro audio 

engineering know-how into ZLX, its next generation of 

high-performance portable loudspeakers. Available in 

powered and passive 12" and 15" two-way versions, ZLX 

was designed with a singular goal: to deliver best-in-class 

performance across every detail. No other comparably 

priced loudspeaker sounds better or gives you more control 

over your sound. ZLX powered models match the legendary 

quality of EV-engineered drivers with a custom-built 1000 W 

Class-D amplifier module and feature an LCD display and 

innovative single-knob DSP control with presets so you can 

quickly optimize loudspeaker performance according to your 

performance style and space. Whether used as mains or 

monitors, ZLX will enhance your gig with incredible sonic 

impact and intelligibility – the renowned ''EV Sound" the 

pros trust.

In the case of the ZLX's uncluttered control panel, less really does mean more. Though 

the multiple dials and switches on other powered loudspeakers may suggest more 

functionality, ZLX's powerful DSP engine is accessed by a clean single-knob design 

with LCD display, and actually offers the most precise control and configuration available 

at its price point. Use the presets to optimize ZLX according to your application (music, 

live, speech, club) and your location (pole mount, monitor, install) and hear the difference 

in seconds. Smart design, straightforward operation.

ZLX-12P

ZLX-15P

ZLX-12

ZLX-15

Speaker Type

Two-way, powered

Two-way, powered

Two-way, passive

Two-way, passive

Frequency Response

65 Hz – 18 kHz

1

55 Hz – 18 kHz

1

82 Hz – 18 kHz

2

56 Hz – 18 kHz

2

Frequency Range

50 Hz – 20 kHz

1

42 Hz – 20 kHz

1

55 Hz – 20 kHz

44 Hz – 20 kHz

Axial Sensitivity

—

—

95 dB

96 dB

Max. Measured SPL

126 dB

127 dB

125 dB

126 dB

Recommended High-pass Frequency

—

—

40 Hz

40 Hz

Power Handling 

(Continuous, Peak)

—

—

250 W Continuous

1000 W Peak

250 W Continuous

1000 W Peak

Coverage (H x V)

90° x 60°

90° x 60°

90° x 60°

90° x 60°

Power Rating

1000 W

1000 W

—

—

LF Transducer

12" EVS-12K woofer

15" EVS-15L woofer

12" EVS-12K woofer

15" EVS-15L woofer

HF Transducer

DH-1K

DH-1K

DH-1K

DH-1K

Crossover Frequency

—

—

2.1 kHz

1.7 kHz

Nominal Impedance

—

—

8 Ω

8 Ω

Minimum Impedance

—

—

7 Ω

7 Ω

Connectors

Two XLR/TRS Combo Jack, one 3.5 mm Input and one XLR link Output

Dual NL4

Dual NL4

Enclosure Material

Polypropylene

Polypropylene

Polypropylene

Polypropylene

Grille

18 ga steel with black powder coat

18 ga steel with black powder coat

18 ga steel with black powder coat

18 ga steel with black powder coat

Dimensions (H x W x D)

24" x 14" x 14"

(610 x 356 x 356 mm)

27" x 17" x 15"

(685 x 423 x 383 mm)

24" x 14" x 14"

(610 x 356 x 356 mm)

27" x 17" x 15"

(685 x 423 x 383 mm)

Net Weight

34.3 lb (15.6 kg)

38.0 lb (17.3 kg)

32.8 lb (14.9 kg)

36.5 lb (16.6 kg)

1 

Using MUSIC DSP preset.

2 

Full Space Measurement, will have low frequency extension when mount on floor or wall.

12" TWo-WAy PoWERED LoUDSPEAkER

•  Compact and lightweight
•  Standout choice for sound reinforcement 

or stage-monitoring

•  12" woofer for low-end punch in a compact enclosure
•  LCD display and one-knob DSP control 

with presets for precise, speedy set up

•  Input level meters and independent amplifier 

control to ensure optimal gain structure

•  Front LED for "power on" and "limit" indication

•  1.5" high-frequency titanium compression driver
•  Durable composite construction with innovative 

hi/lo grip design for easy pole mounting

•  Patented split-baffle design for 

superior drive time alignment

•  1000 W Class-D amplifier
•  126 db maximum SPL
•  50 Hz – 20 kHz frequency range

15" TWo-WAy PoWERED LoUDSPEAkER

•  Crisp clean highs and tight, deep lows for larger spaces
•  15" woofer for extended low frequency response
•  LCD display and one-knob DSP control 

with presets for precise, speedy set up

•  Input level meters and independent amplifier 

control to ensure optimal gain structure

•  Front LED for "power on" and "limit" indication
•  1.5" high-frequency titanium compression driver

•  Durable composite construction with innovative 

hi/lo grip design for easy pole mounting

•  Patented split-baffle design for 

superior drive time alignment

•  1000 W Class-D amplifier
•  127 db maximum SPL
•  42 Hz – 20 kHz frequency range

VisuaL controL and monitoring with prEsEts

12" TWo-WAy PASSIVE LoUDSPEAkER

•  12" woofer for low-end punch in a compact enclosure
•  1.5" high-frequency titanium compression driver
•  Durable composite construction with innovative 

hi/lo grip design for easy pole mounting

•  Patented split-baffle design for 

superior drive time alignment

•  55 Hz – 20 kHz frequency range

•  250 W continuous and 1000 W peak power handling
•  95 db SPL sensitivity; 125 db maximum SPL 

15" TWo-WAy PASSIVE LoUDSPEAkER

•  15" woofer for extended low frequency response
•  1.5" high-frequency titanium compression driver
•  Durable composite construction with innovative 

hi/lo grip design for easy pole mounting

•  Patented split-baffle design for 

superior drive time alignment

•  44 Hz – 20 kHz frequency range

•  250 W continuous and 1000 W peak power handling
•  96 db SPL sensitivity; 126 db maximum SPL

See page 50 for ZLX Covers.