
CONNECTION DIAGRAM FOR A-H4D. REFER TO THE NUMBERED INSTRUCTIONS ON REVERSE. DIAGRAMS ARE NOT TO SCALE.
A-H4DX 
KP1
BBWGGWOOWBLBLW
BBWGGWOOWBLBLW
BBWGGWOOWBLBLW
BBWGGWOOWBLBLW
KP2
KP3
KP4
Pos (+)
Neg (–)
CD Changer 
Receiver 
KP1
BBWGGWOOWBLBLW
BBWGGWOOWBLBLW
BBWGGWOOWBLBLW
BBWGGWOOWBLBLW
KP2
KP3
KP4
12
STATUS
3
A-H4D 
L  GAIN  R
Hub
A-K4 (back)
RCA cables 
Emitter attaches  
to each source  
component’s  
IR window 
Optional Status power supply  
to switched AC outlet 
A-PS power supply 
A-H4D (back) 
A-H4Dx (back) 
A-H4D (front) 
CAT-5 cable 
 
E
MITTER
S 
S
TATUS 
 
 
 
A
UDIO 
I
N 
L 
R 
A
UDIO 
O
UT 
L 
R 
P
OWER 
 
 
1 
EMITTERS 
2 
3 
4 
S
TATUS 
CAT-5 110 punchdown
connection detail
Note:  This equipment has been tested and found to comply 
with the limits for a Class B digital device, pursuant to part 
15 of the FCC rules. These limits are designed to provide 
reasonable protection against harmful interference in a 
residential installation. This equipment generates, uses and can 
radiate radio frequency energy and, if not installed and used in 
accordance with the instructions, may cause harmful interference 
to radio communications. However, there is no guarantee that 
interference will not occur in a particular installation. If this 
equipment does cause harmful interference to radio or television 
reception, which can be determined by turning the equipment o  
and on, the user is encouraged to try to correct the interference 
by one of or more of the following measures: reorient or relocate 
the receiving antenna; increase the separation between the 
equipment and receiver; connect the equipment into an outlet on 
a circuit di erent from that to which the  receiver is connected, or 
consult the dealer or an experienced radio/TV technician for help. 
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme 
NMB-003 du Canada.
2
5
3
3
1
1
6
8
4