diff --git a/config.h b/config.h
index f0b6a56..519f2a2 100644
--- a/config.h
+++ b/config.h
@@ -110,18 +110,30 @@
 #define USE_FX 1
 
 // NUMBER OF PARALLEL SAMPLEDRUMS
+#ifdef TEENSY4
 #define NUM_DRUMS 8
-
+#else
+#define NUM_DRUMS 4
+#endif
 // DEFAULT MIDI CHANNEL FOR DRUMSAMPLER
 #define DRUM_MIDI_CHANNEL 10
 
 // NUMBER OF SAMPLES IN DRUMSET
+#ifdef TEENSY4
 #define NUM_DRUMSET_CONFIG 71
+#else
+#define NUM_DRUMSET_CONFIG 43
+#endif
 
 // SEQUENCER 
 
+#ifdef TEENSY4
 #define NUM_SEQ_PATTERN 24
 #define NUM_SEQ_TRACKS 6
+#else
+#define NUM_SEQ_PATTERN 10
+#define NUM_SEQ_TRACKS 2
+#endif
 
 // CHORUS parameters
 #define MOD_DELAY_SAMPLE_BUFFER int32_t(TIME_MS2SAMPLES(20.0)) // 20.0 ms delay buffer.