Ground Zero 12.300X-II Bedienungsanleitung

GZ BASS KIT 12.300X-II

Owner´s manual

(AWV2.0)

Features

•High-quality vented subwoofer

•Efficient Aero ventilation port

•30 cm / 12” subwoofer

•IMPP cone with 3D-honeycomb structure

•GZ design push terminal

•Mono class A/B amplifier

•Stereo RCA input

•Stereo high-level input with auto-on function

•Adjustable input sensitivity

•Adjustable low pass filter

•Adjustable bass boost control

•Wired remote control

(GZTA Bassremote available separately)

•Owner´s manual enclosed

General installation note

•As a precaution, it is recommended to disconnect the vehicles battery before mounting the amplifier. (Note: For new

vehicles, disconnecting the battery might cause various errors in your vehicle´s electric system that can be cleared only

by authorized personnel of your vehicle´s manufacturer!)

•The power supply wire (+12 V) has to be protected within max. 20 cm / 8” by a main fuse holder with a fuse value

matching the recommendation for your amplifier or internal fuse value

(Note: If there is more than one amplifier connected using this power wire, the main fuse value must be equal to the

sum of the recommended fuses of all connected devices. However, make sure the diameter of your power wire will be

sufficient for the required current!)

•If necessary, replace a defective fuse by a fuse with identical quality and value

•Never drill a hole to the vehicle´s gas tank or brake lines, to wirings or any other important vehicle parts!

•Never pass wires over sharp edges or vehicle parts to avoid any kind of damage

•Keep the wiring away from the antenna and electronic devices contributing to radio reception

•Lay the power supply wiring always separated from speaker wiring to avoid disturbance

•The amplifier contains a temperature protection circuit that turns the device off in case of overheating. After a certain

cooling time, it will turn on automatically. To avoid heat build-up, sufficient air supply for cooling must be provided.

Never cover the surface of the amplifier´s heatsink entirely

•The amplifier should not be mounted onto a vibrating part or surface such as a subwoofer enclosure. This might lead

to malfunction due to loosened electrical parts inside the amplifier.

•This amplifier has got a high-level input option, however if a pre-amplified output (RCA) is available (from head unit), it

is strongly recommended to make use of it.

GZ BASS KIT 12.300X-II

Connections and controls

Speaker terminal

To connect the speaker wire (of the subwoofer)

Power terminal

GND Ground connection

REM Remote connection (not necessary when high-level input is used)

BATT +12 Volt connection

Fuse

Replace a defective fuse by a fuse with identical quality and value (30A)

High-level input

To connect your head unit (if not equipped with a low-level RCA output)

Connect this input to the speaker outputs of your head unit. The amplifier automatically

turns on (Auto On). The remote needs not to be connected

IMPORTANT!

Do not use the high-level input and the RCA input simultaneously. This may lead to

serious damage of the amplifier. Use either the RCA or the high-level input, only

RCA input

To connect the low-level input signal (RCA)

IMPORTANT!

Do not use the high-level input and the RCA input simultaneously. This may lead to

serious damage of the amplifier. Use either the RCA or the high-level input, only

RCA output

To connect an additional amplifier (RCA)

Gain (level) control

To adjust the input sensitivity

Mode switch

To select the crossover mode

LPF Low frequencies (below selected crossover point) will be reproduced

FULL Full range reproduction

Low pass control

To set the crossover frequency. Set the filter switch to the LOW position. Adjust the

variable LPF frequency to the desired frequency using the controller

Bass Boost control

To adjust the low bass increase (Bass Boost) at 45 Hz (0 – 6 dB)

Status indication

GREEN Amplifier is in operation mode

RED Amplifier is in protection mode

Remote control

connector

To connect the separately available remote control GZTA Bassremote

GZ BASS KIT 12.300X-II

Subwoofer specifications

Model

GZBK 12XBR-II (subwoofer)

Type

30 cm / 12” vented subwoofer (with Aero port)

Power handling

300 W

Impedance

4 ohms

Volume (net)

40 Liter / 1.41 cu.ft.

Dimensions

W x H x D at top/bottom (mm/inch)

520 x 360 x 250 / 350 mm

20.47“ x 14.17“ x 9.84 / 13.78“

Amplifier specifications

Model

GZBA 1.300X

Type

Mono class A/B amplifier

Power output @ 4 ohms

(14.6V) / RMS

1 x 200 W

Power output @ 4 ohms

(14.6V) / max

1 x 300 W

Low pass filter

40 – 250 Hz

Bass Boost

0 – 6 dB (@ 40 Hz)

Frequency response

15 Hz – 20 kHz

Input sensitivity

200 mV – 6.7 V

Auto-On @ High-level input



Fuse

1 x 30A

Dimensions / heatsink only

W x H x L (mm/inch)

180 x 53 x 236 / 7.09” x 2.09” x 9.29”

Trouble shooting guide

Symptoms

Inspect

Check

No sound

Is the POWER LED illuminated?

Check the fuses of the amplifier

Make sure that remote lead is connected

Check the +12 Volt connection

Check the ground connection

Is the diagnostic LED illuminated?

Check for speaker short or overheating

Amp not switching on

Power and ground wiring

Check the power and ground wiring

Remote wire

Check the connection of the head unit

Amplifier switches off

at medium or high levels

Check speaker load impedance

Make sure that the recommended speaker

load impedance is observed

Protection LED is on

Temperature shut down

Turn the head unit´s level down

Switch the head unit off

Check the installation

Speaker wires short

Separate and insulate the speaker wires

GZ BASS KIT 12.300X-II

Terms of warranty

The limited warranty for this product is covered by Ground Zero´s local distribution partners and their terms and

conditions. For further information contact your local retailer or distributor.

Respect the Music

Listening to music can be emotional, impressive, relaxing or enjoyable. At that, it doesn´t really matter what kind of

music is the personal favorite, whether it´s Instrumental, Jazz, Electro, Latin, Classic, Rock or any other music direction.

However, audio reproduction quality at each desired volume is elementary. Some music styles require higher levels

while others prefer the soft tones.

GROUND ZERO considers all the different wishes of customers during the development of new products. Along with

this, the target is to create the most realistic sound, to transfer the soul of the music and the intention of the performer.

Summarized to one phrase: RESPECT THE MUSIC!

Safety instructions

Safety instructions: Keep all parts of the content and the packaging away from children and pets to avoid accidents and

the risk of suffocation. Permanently extreme levels of over 85 dB can lead to irreparable damage to the hearing. Music

systems with high amplifier output power can reach levels of 130 dB or more. Extreme levels can also hinder the

perception of important traffic noises and distract from what is happening on the road. Ground Zero GmbH and its

sales partners expressly assume no responsibility for hearing damage, physical damage or any damage to property or

consequential damage resulting from improper or careless use or improper installation of its products. In particular, any

claims are forfeited through the use under competitive conditions.

Manufacturer‘s declaration: Herewith Ground Zero GmbH declares that this product complies with the directive

2014/30/EU (EMC) and further declares that this product is in conformity with the rules of the EU directives (including

all applicable amendments) 2011/65/EU RoHS2 and 2001/95/EC General Product Safety directive. The full text of the

Declaration of Conformity (EU) is available at the following internet address: www.ground-zero-audio.com.Electronic

products contain valuable raw materials and must not be disposed of with normal household waste. At the end of its

service life, please bring the device to your local recycling facility.

GROUND ZERO products are developed in Germany

GROUND ZERO - international sponsor

Ground Zero GmbH

Erlenweg 25, 85658 Egmating, Germany

Tel. +49 (0)8095/873 830 Fax -8310

www.ground-zero-audio.com

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